CVE-2022-27181

CVE-2022-27181 is a medium-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Description

On F5 BIG-IP APM 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all versions of 12.1.x and 11.6.x, when APM is configured on a virtual server and the associated access profile is configured with APM AAA NTLM Auth, undisclosed requests can cause an increase in internal resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Frequently asked questions

What is CVE-2022-27181?
On F5 BIG-IP APM 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all versions of 12.1.x and 11.6.x, when APM is configured on a virtual server and the associated access profile is configured with APM AAA NTLM Auth, undisclosed requests can cause an increase in internal resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
How severe is CVE-2022-27181?
CVE-2022-27181 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2022-27181 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27181?
CVE-2022-27181 primarily affects F5 Big-ip Access Policy Manager. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-27181?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27181 published?
CVE-2022-27181 was published on 2022-05-05 and last updated on 2026-06-17.

References

Affected products (18)

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