CVE-2021-23002

MEDIUM

4.5

CVSS Score

Published: March 31, 2021 at 05:32 PM UTC

Updated: June 17, 2026 at 03:38 AM UTC

2 products affected across 1 vendorBig IP Access Policy ManagerBig IP Access Policy Manager Client

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Severity

MEDIUM4.5

Exploit prediction

EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Access Policy Manager · F5

95%

v < 16.0.1.1v < 7.2.1.111.6.1 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v < 13.1.3.614.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.2.116.0.0 ≤ v < 16.0.1.1

Affected range stops below 13.1.3.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.2.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.2.1.1, so it looks safe — our inference, not a vendor statement

Big IP Access Policy Manager Client · F5

95%

v < 16.0.1.1v < 7.2.1.17.1.5 ≤ v < 7.1.8.57.1.9 ≤ v < 7.1.9.87.2.1 ≤ v < 7.2.1.1

Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.1.8.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.1.9.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.2.1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://support.f5.com/csp/article/K71891773

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.f5.com/csp/article/K71891773

CVSS

4.5MEDIUM[email protected]

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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