CVE-2020-27714
CVE-2020-27714 is a high-severity vulnerability in F5 Big-ip Advanced Firewall Manager with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: F5 Big-ip Advanced Firewall Manager
- Published:
- Last modified:
Description
On the BIG-IP AFM version 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when a Protocol Inspection Profile is attached to a FastL4 virtual server with the protocol field configured to either Other or All Protocols, the TMM may experience a restart if the profile processes non-TCP traffic.
Frequently asked questions
- What is CVE-2020-27714?
- On the BIG-IP AFM version 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when a Protocol Inspection Profile is attached to a FastL4 virtual server with the protocol field configured to either Other or All Protocols, the TMM may experience a restart if the profile processes non-TCP traffic.
- How severe is CVE-2020-27714?
- CVE-2020-27714 has a CVSS 3.x base score of 7.5, rated high 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 high.
- Is CVE-2020-27714 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-27714?
- CVE-2020-27714 affects F5 Big-ip Advanced Firewall Manager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-27714?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-27714 published?
- CVE-2020-27714 was published on 2020-12-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
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