Detections
Analytics
SCA: JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data (GHSA-fp5r-v3w9-4333)
high Tenable Self-Hosted Container Security Plugin ID 433368
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write
access to the Log4j configuration. The attacker can provide TopicBindingName and
TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result
in remote code execution in a similar fashion to CVE-2021-44228. Note this issue only affects Log4j 1.2
when specifically configured to use JMSAppender, which is not the default. Apache Log4j 1.2 reached end of
life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the
previous versions. (CVE-2021-4104)
See Also
Plugin Details
Severity: High
ID: 433368
Version: Revision 1.3
Type: Local
Family: SCA Checks
Published: 8/13/2025
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: High
Score: 7.6
Percentile: 98.51
Vendor
Vendor Severity: High
CVSS v2
Risk Factor: Medium
Base Score: 6
Temporal Score: 4.7
Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P
CVSS Score Source: CVE-2021-4104
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/13/2025
Vulnerability Publication Date: 8/13/2025
Reference Information
CVE: CVE-2021-4104
cwe: CWE-502