CVE-2021-23002
lowpriority · track · 18EPSS 0.004 · 29 %ileEUUSEPSS · scored 2026-10-27
When using BIG-IP APM 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, or all 12.1.x and 11.6.x versions or Edge Client versions 7.2.1.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, or 7.1.8.x before 7.1.8.5, the session ID is visible in the arguments of the f5vpn.exe command when VPN is launched from the browser on a Windows system. Addressing this issue requires both the client and server fixes. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.7–4.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (11)
Products and version ranges known to be affected.
- n/a BIG-IP APM and Edge Client≤ BIG-IP APM 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, all 12.1.x and 11.6.x versionsenisa_euvdEU
- n/a BIG-IP APM and Edge Client≤ Edge Client 7.2.1.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, 7.1.8.x before 7.1.8.5enisa_euvdEU
- f5 access policy manager clients7.1.5 → 7.1.8.5nvdUScpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*
- f5 access policy manager clients7.1.9 → 7.1.9.8nvdUScpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*
- f5 access policy manager clients7.2.1 → 7.2.1.1nvdUScpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager12.1.0 → 12.1.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager13.1.0 → 13.1.3.6nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager14.1.0 → 14.1.4nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager15.1.0 → 15.1.2.1nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager16.0.0 → 16.0.1.1nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2021-23002cnnvd
- https://support.f5.com/csp/article/K71891773cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-APM-information-disclosure-via-VPN-Session-ID-34820cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.0949cnnvd
- https://support.f5.com/csp/article/K71891773enisa_euvd
- https://support.f5.com/csp/article/K71891773Vendor Advisorynvd
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