A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before 4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An attacker could use this flaw to launch a reflected XSS attack.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016757 advisory.

    A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before     4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An     attacker could use this flaw to launch a reflected XSS attack.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before     4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An     attacker could use this flaw to launch a reflected XSS attack. (CVE-2020-10688)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7630-1 advisory.

    It was discovered that RESTEasy made insufficient use of random values in asynchronous jobs. An attacker     could possibly use this issue to steal user data. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2016-6345)

    It was discovered that RESTEasy enabled a vulnerable GZIP decompression module by default. An attacker     could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2016-6346)

    It was discovered that RESTEasy improperly made use of unsanitized data while handling certain errors. An     attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue     only affected Ubuntu 14.04 LTS. (CVE-2016-6347)

    It was discovered that RESTEasy enabled a vulnerable JSON manipulation module by default. An attacker     could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only     affected Ubuntu 14.04 LTS. (CVE-2016-6348)

    It was discovered that RESTEasy enabled a vulnerable deserialization module by default. An attacker could     possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected     Ubuntu 14.04 LTS. (CVE-2016-7050)

    Nikos Papadopoulos discovered that RESTEasy improperly handled URL encoding when certain errors occur. An     attacker could possibly use this issue to modify the app's behavior for other users throughout the     network. This issue did not affect resteasy3.0 in Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04.
    (CVE-2020-10688)

    Mirko Selber discovered that RESTEasy improperly validated user input during HTTP response construction.
    An attacker could possibly use this issue to to cause a denial of service or execute arbitrary code. This     issue did not affect resteasy3.0 in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04.
    (CVE-2020-1695)

    It was discovered that RESTEasy improperly handled receiving the WebApplicationException during a client     call. An attacker could possibly use this issue to obtain potentially sensitive server information.
    (CVE-2020-25633)

    It was discovered that RESTEasy improperly populated exception responses with endpoint class and method     names. An attacker could possibly use this issue to obtain potentially sensitive server information.
    (CVE-2021-20289)

    It was discovered that RESTEasy used improper permissions when creating temporary files. An attacker could     possibly use this issue to get access to sensitive data. (CVE-2023-0482)

    It was discovered that RESTEasy improperly handled certain HTTP requests containing ASCII control     characters. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-9622)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7351-1 advisory.

    Nikos Papadopoulos discovered that RESTEasy improperly handled URL encoding when certain errors occur. An     attacker could possibly use this issue to modify the app's behavior for other users through the network.
    (CVE-2020-10688)

    Mirko Selber discovered that RESTEasy improperly validated user input during HTTP response construction.
    This issue could possibly allow an attacker to cause a denial of service or execute arbitrary code.
    (CVE-2020-1695)

    It was discovered that RESTEasy unintentionally disclosed potentially sensitive server information to     users during the handling of certain errors. (CVE-2020-25633)

    It was discovered that RESTEasy unintentionally disclosed parts of its code to users during the handling     of certain errors. (CVE-2021-20289)

    It was discovered that RESTEasy used improper permissions when creating temporary files. An attacker could     possibly use this issue to get access to sensitive data. (CVE-2023-0482)

    It was discovered that RESTEasy improperly handled certain HTTP requests and could be forced into a state     in which it can no longer accept incoming connections. An attacker could possibly use this issue to cause     a denial of service. (CVE-2024-9622)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A cross-site scripting (XSS) flaw was found in RESTEasy in versions before 3.11.1.Final and before
    4.5.3.Final, where it did not properly handle URL encoding when the RESTEASY003870 exception occurs. An
    attacker could use this flaw to launch a reflected XSS attack. (CVE-2020-10688)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2513 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.3.1 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.3.0, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.3.1 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * cxf: reflected XSS in the services listing page (CVE-2019-17573)

    * cxf-core: cxf: OpenId Connect token service does not properly validate the clientId (CVE-2019-12423)

    * jackson-mapper-asl: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * undertow: servletPath in normalized incorrectly leading to dangerous application mapping which could     result in security bypass (CVE-2020-1757)

    * jackson-databind: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * jackson-mapper-asl: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * resteasy-jaxrs: resteasy: Improper validation of response header in MediaTypeHeaderDelegate.java class     (CVE-2020-1695)

    * cryptacular: excessive memory allocation during a decode operation (CVE-2020-7226)

    * smallrye-config: SmallRye: SecuritySupport class is incorrectly public and contains a static method to     access the current threads context class loader (CVE-2020-1729)

    * resteasy: RESTEASY003870 exception in RESTEasy can lead to a reflected XSS attack (CVE-2020-10688)

    * jackson-databind: Lacks certain xbean-reflect/JNDI blocking (CVE-2020-8840)

    * undertow: invalid HTTP request with large chunk size (CVE-2020-10719)

    * jackson-databind: Serialization gadgets in shaded-hikari-config (CVE-2020-9546)

    * jackson-databind: Serialization gadgets in ibatis-sqlmap (CVE-2020-9547)

    * jackson-databind: Serialization gadgets in anteros-core (CVE-2020-9548)

    * undertow: AJP File Read/Inclusion Vulnerability (CVE-2020-1745)

    * libthrift: thrift: Endless loop when feed with specific input data (CVE-2019-0205)

    * libthrift: thrift: Out-of-bounds read related to TJSONProtocol or TSimpleJSONProtocol (CVE-2019-0210)

    * wildfly: The 'enabled-protocols' value in legacy security is not respected if OpenSSL security provider     is in use (CVE-2019-14887)

    * jsf-impl: Mojarra: Path traversal via either the loc parameter or the con parameter, incomplete fix of     CVE-2018-14371 (CVE-2020-6950)

    * jsf-impl: mojarra: Path traversal in ResourceManager.java:getLocalePrefix() via the loc parameter     (CVE-2018-14371)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, see the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2512 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java     applications based on the WildFly application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.3.1 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.3.0, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.3.1 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * cxf: reflected XSS in the services listing page (CVE-2019-17573)

    * cxf-core: cxf: OpenId Connect token service does not properly validate the clientId (CVE-2019-12423)

    * jackson-mapper-asl: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * undertow: servletPath in normalized incorrectly leading to dangerous application mapping which could     result in security bypass (CVE-2020-1757)

    * jackson-databind: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * jackson-mapper-asl: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * resteasy-jaxrs: resteasy: Improper validation of response header in MediaTypeHeaderDelegate.java class     (CVE-2020-1695)

    * cryptacular: excessive memory allocation during a decode operation (CVE-2020-7226)

    * smallrye-config: SmallRye: SecuritySupport class is incorrectly public and contains a static method to     access the current threads context class loader (CVE-2020-1729)

    * resteasy: RESTEASY003870 exception in RESTEasy can lead to a reflected XSS attack (CVE-2020-10688)

    * jackson-databind: Lacks certain xbean-reflect/JNDI blocking (CVE-2020-8840)

    * undertow: invalid HTTP request with large chunk size (CVE-2020-10719)

    * jackson-databind: Serialization gadgets in shaded-hikari-config (CVE-2020-9546)

    * jackson-databind: Serialization gadgets in ibatis-sqlmap (CVE-2020-9547)

    * jackson-databind: Serialization gadgets in anteros-core (CVE-2020-9548)

    * undertow: AJP File Read/Inclusion Vulnerability (CVE-2020-1745)

    * libthrift: thrift: Endless loop when feed with specific input data (CVE-2019-0205)

    * libthrift: thrift: Out-of-bounds read related to TJSONProtocol or TSimpleJSONProtocol (CVE-2019-0210)

    * wildfly: The 'enabled-protocols' value in legacy security is not respected if OpenSSL security provider     is in use (CVE-2019-14887)

    * jsf-impl: Mojarra: Path traversal via either the loc parameter or the con parameter, incomplete fix of     CVE-2018-14371 (CVE-2020-6950)

    * jsf-impl: mojarra: Path traversal in ResourceManager.java:getLocalePrefix() via the loc parameter     (CVE-2018-14371)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, see the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2511 advisory.

    Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly     application runtime.

    This release of Red Hat JBoss Enterprise Application Platform 7.3.1 serves as a replacement for Red Hat     JBoss Enterprise Application Platform 7.3.0, and includes bug fixes and enhancements. See the Red Hat     JBoss Enterprise Application Platform 7.3.1 Release Notes for information about the most significant bug     fixes and enhancements included in this release.

    Security Fix(es):

    * cxf: reflected XSS in the services listing page (CVE-2019-17573)

    * cxf-core: cxf: OpenId Connect token service does not properly validate the clientId (CVE-2019-12423)

    * jackson-mapper-asl: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * undertow: servletPath in normalized incorrectly leading to dangerous application mapping which could     result in security bypass (CVE-2020-1757)

    * jackson-databind: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * jackson-mapper-asl: XML external entity similar to CVE-2016-3720 (CVE-2019-10172)

    * resteasy-jaxrs: resteasy: Improper validation of response header in MediaTypeHeaderDelegate.java class     (CVE-2020-1695)

    * cryptacular: excessive memory allocation during a decode operation (CVE-2020-7226)

    * smallrye-config: SmallRye: SecuritySupport class is incorrectly public and contains a static method to     access the current threads context class loader (CVE-2020-1729)

    * resteasy: RESTEASY003870 exception in RESTEasy can lead to a reflected XSS attack (CVE-2020-10688)

    * jackson-databind: Lacks certain xbean-reflect/JNDI blocking (CVE-2020-8840)

    * undertow: invalid HTTP request with large chunk size (CVE-2020-10719)

    * jackson-databind: Serialization gadgets in shaded-hikari-config (CVE-2020-9546)

    * jackson-databind: Serialization gadgets in ibatis-sqlmap (CVE-2020-9547)

    * jackson-databind: Serialization gadgets in anteros-core (CVE-2020-9548)

    * undertow: AJP File Read/Inclusion Vulnerability (CVE-2020-1745)

    * libthrift: thrift: Endless loop when feed with specific input data (CVE-2019-0205)

    * libthrift: thrift: Out-of-bounds read related to TJSONProtocol or TSimpleJSONProtocol (CVE-2019-0210)

    * wildfly: The 'enabled-protocols' value in legacy security is not respected if OpenSSL security provider     is in use (CVE-2019-14887)

    * jsf-impl: Mojarra: Path traversal via either the loc parameter or the con parameter, incomplete fix of     CVE-2018-14371 (CVE-2020-6950)

    * jsf-impl: mojarra: Path traversal in ResourceManager.java:getLocalePrefix() via the loc parameter     (CVE-2018-14371)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, see the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
316254	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: resteasy (UTSA-2026-016757)	Nessus	Unity Linux Local Security Checks	Local	medium
252520	Linux Distros Unpatched Vulnerability : CVE-2020-10688	Nessus	Misc.	Local	medium
242054	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 : RESTEasy vulnerabilities (USN-7630-1)	Nessus	Ubuntu Local Security Checks	Local	medium
232708	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : RESTEasy vulnerabilities (USN-7351-1)	Nessus	Ubuntu Local Security Checks	Local	high
408832	SCA: security update for org.jboss.resteasy:resteasy-bom, org.jboss.resteasy:resteasy-core (GHSA-29qj-rvv6-qrmv)	Tenable Cloud Security	SCA Checks	Local	medium
408832	SCA: security update for org.jboss.resteasy:resteasy-bom, org.jboss.resteasy:resteasy-core (GHSA-29qj-rvv6-qrmv)	Tenable Self-Hosted Container Security	SCA Checks	Local	medium
137334	RHEL 8 : Red Hat JBoss Enterprise Application Platform 7.3.1 Security update (Important) (RHSA-2020:2513)	Nessus	Red Hat Local Security Checks	Local	critical
137333	RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.3.1 Security update (Important) (RHSA-2020:2512)	Nessus	Red Hat Local Security Checks	Local	critical
137331	RHEL 6 : Red Hat JBoss Enterprise Application Platform 7.3.1 Security update (Important) (RHSA-2020:2511)	Nessus	Red Hat Local Security Checks	Local	critical

Detections

Analytics

CVE-2020-10688

medium

Tenable Plugins

medium

medium

medium

high

medium

medium

critical

critical

critical