Vulnerability in F5 Access Policy Manager Clients

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-23002: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000

Affected products

  • F5 Access Policy Manager Clients
  • F5 Big-Ip Access Policy Manager
  • Big-Ip Apm And Edge Client — versions 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 versions, 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 7.1.8.5

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-23002?
CVE-2021-23002 is a medium-severity vulnerability in F5 Access Policy Manager Clients. CVSS score: 4.5/10. Published 2021-03-31.
How severe is CVE-2021-23002?
Medium severity. CVSS v3 base score is 4.5 out of 10.
Is CVE-2021-23002 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.