CVE-2021-23002
CVE-2021-23002 is a medium-severity vulnerability in F5 Access Policy Manager Clients with a CVSS 3.x base score of 4.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.5)
- CVSS v2: 2.7
- EPSS exploit prediction: 0% (26th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: F5 Access Policy Manager Clients
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-23002?
- 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.
- How severe is CVE-2021-23002?
- CVE-2021-23002 has a CVSS 3.x base score of 4.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-23002 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-23002?
- CVE-2021-23002 primarily affects F5 Access Policy Manager Clients. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-23002?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-23002 published?
- CVE-2021-23002 was published on 2021-03-31 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
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