CVE-2021-23016

5.3 mediumEPSS 0.8%

Medium (5.3) in f5 big-ip access policy manager. EPSS 0.8% chance of exploitation in the next 30 days.

On BIG-IP APM versions 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, and all versions of 16.0.x, 12.1.x, and 11.6.x, an attacker may be able to bypass APM's internal restrictions and retrieve static content that is hosted within APM by sending specifically crafted requests to an APM Virtual Server. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Severity

CVSS 3.1

5.3 medium

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
Published: 2021-05-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_access_policy_manager

References

https://support.f5.com/csp/article/K75540265
https://support.f5.com/csp/article/K75540265

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