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CVE-2021-23002

MEDIUMCVSS 4.5/10EPSS 0.34%

Last modified

CVE-2021-23002 is a medium-severity vulnerability rated 4.5/10 on the CVSS scale. 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. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.5/10

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
0.34%

25.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Access Policy Manager Clients>= 7.1.5, < 7.1.8.5
F5Access Policy Manager Clients>= 7.1.9, < 7.1.9.8
F5Access Policy Manager Clients>= 7.2.1, < 7.2.1.1
F5Big-Ip Access Policy Manager>= 11.6.1, <= 11.6.5
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Access Policy Manager>= 13.1.0, < 13.1.3.6
F5Big-Ip Access Policy Manager>= 14.1.0, < 14.1.4
F5Big-Ip Access Policy Manager>= 15.1.0, < 15.1.2.1
F5Big-Ip Access Policy Manager>= 16.0.0, < 16.0.1.1

References

Timeline

Published
Last Modified
Status
Modified

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 score of 4.5/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23002?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23002?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST