How severe is CVE-2020-27722?

CVE-2020-27722 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-27722 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-2020-27722?

CVE-2020-27722 affects F5 Big-ip Access Policy Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27722?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-27722 published?

CVE-2020-27722 was published on 2020-12-24 and last updated on 2026-06-17.

CVE-2020-27722

CVE-2020-27722 is a medium-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 6.5. 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

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.5
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: F5 Big-ip Access Policy Manager
Published: 2020-12-24
Last modified: 2026-06-17

Description

In BIG-IP APM versions 15.0.0-15.0.1.3, 14.1.0-14.1.3, and 13.1.0-13.1.3.4, under certain conditions, the VDI plugin does not observe plugin flow-control protocol causing excessive resource consumption.

Frequently asked questions

What is CVE-2020-27722?: In BIG-IP APM versions 15.0.0-15.0.1.3, 14.1.0-14.1.3, and 13.1.0-13.1.3.4, under certain conditions, the VDI plugin does not observe plugin flow-control protocol causing excessive resource consumption.
How severe is CVE-2020-27722?: CVE-2020-27722 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-27722 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-2020-27722?: CVE-2020-27722 affects F5 Big-ip Access Policy Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27722?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-27722 published?: CVE-2020-27722 was published on 2020-12-24 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K73657294

Affected products (1)

cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*

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