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

  - mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.2 and below, a malicious
    client or server is able to perform HTTP request smuggling attacks through mitmproxy. This means that a
    malicious client/server could smuggle a request/response through mitmproxy as part of another
    request/response's HTTP message body. While a smuggled request is still captured as part of another
    request's body, it does not appear in the request list and does not go through the usual mitmproxy event
    hooks, where users may have implemented custom access control checks or input sanitization. Unless one
    uses mitmproxy to protect an HTTP/1 service, no action is required. The vulnerability has been fixed in
    mitmproxy 7.0.3 and above. (CVE-2021-39214)

The remote openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2023:0233-1 advisory.

  - mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.2 and below, a malicious     client or server is able to perform HTTP request smuggling attacks through mitmproxy. This means that a     malicious client/server could smuggle a request/response through mitmproxy as part of another     request/response's HTTP message body. While a smuggled request is still captured as part of another     request's body, it does not appear in the request list and does not go through the usual mitmproxy event     hooks, where users may have implemented custom access control checks or input sanitization. Unless one     uses mitmproxy to protect an HTTP/1 service, no action is required. The vulnerability has been fixed in     mitmproxy 7.0.3 and above. (CVE-2021-39214)

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

The remote openSUSE 15 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2023:0232-1 advisory.

  - mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.2 and below, a malicious     client or server is able to perform HTTP request smuggling attacks through mitmproxy. This means that a     malicious client/server could smuggle a request/response through mitmproxy as part of another     request/response's HTTP message body. While a smuggled request is still captured as part of another     request's body, it does not appear in the request list and does not go through the usual mitmproxy event     hooks, where users may have implemented custom access control checks or input sanitization. Unless one     uses mitmproxy to protect an HTTP/1 service, no action is required. The vulnerability has been fixed in     mitmproxy 7.0.3 and above. (CVE-2021-39214)

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.

  - mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.2 and below, a malicious     client or server is able to perform HTTP request smuggling attacks through mitmproxy. This means that a     malicious client/server could smuggle a request/response through mitmproxy as part of another     request/response's HTTP message body. While a smuggled request is still captured as part of another     request's body, it does not appear in the request list and does not go through the usual mitmproxy event     hooks, where users may have implemented custom access control checks or input sanitization. Unless one     uses mitmproxy to protect an HTTP/1 service, no action is required. The vulnerability has been fixed in     mitmproxy 7.0.3 and above. (CVE-2021-39214)

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

ID	Name	Product	Family	Published	Updated	Severity
427202	Alpine: multiple mitmproxy packages: security update to 7.0.3-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	5/16/2025	7/2/2026	critical
427202	Alpine: multiple mitmproxy packages: security update to 7.0.3-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	5/16/2025	7/2/2026	critical
408604	SCA: security update for mitmproxy (GHSA-22gh-3r9q-xf38)	Tenable Cloud Security	SCA Checks	1/23/2025	7/2/2026	critical
400112	Alpine: mitmproxy: security update to 7.0.2-r0 (deprecated)	Tenable Cloud Security	Alpine Linux Local Security Checks	8/16/2023	7/2/2026	critical
400112	Alpine: mitmproxy: security update to 7.0.2-r0 (deprecated)	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	8/16/2023	7/2/2026	critical
408604	SCA: security update for mitmproxy (GHSA-22gh-3r9q-xf38)	Tenable Self-Hosted Container Security	SCA Checks	1/23/2025	7/2/2026	critical
180001	openSUSE 15 Security Update : python-mitmproxy (openSUSE-SU-2023:0233-1)	Nessus	SuSE Local Security Checks	8/21/2023	8/21/2023	critical
180002	openSUSE 15 Security Update : python-mitmproxy (openSUSE-SU-2023:0232-1)	Nessus	SuSE Local Security Checks	8/21/2023	8/21/2023	critical
224048	Linux Distros Unpatched Vulnerability : CVE-2021-39214	Nessus	Misc.	3/5/2025	9/2/2026	critical

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