CVE-2020-5855
CVE-2020-5855 is a medium-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: F5 Big-ip Access Policy Manager
- Published:
- Last modified:
Description
When the Windows Logon Integration feature is configured for all versions of BIG-IP Edge Client for Windows, unauthorized users who have physical access to an authorized user's machine can get shell access under unprivileged user.
Frequently asked questions
- What is CVE-2020-5855?
- When the Windows Logon Integration feature is configured for all versions of BIG-IP Edge Client for Windows, unauthorized users who have physical access to an authorized user's machine can get shell access under unprivileged user.
- How severe is CVE-2020-5855?
- CVE-2020-5855 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2020-5855 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5855?
- CVE-2020-5855 primarily affects F5 Big-ip Access Policy Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-5855?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5855 published?
- CVE-2020-5855 was published on 2020-02-06 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:*
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