CVE-2020-5898
CVE-2020-5898 is a medium-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 5.5. 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 5.5)
- CVSS v2: 4.9
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: F5 Big-ip Access Policy Manager
- Published:
- Last modified:
Description
In versions 7.1.5-7.1.9, BIG-IP Edge Client Windows Stonewall driver does not sanitize the pointer received from the userland. A local user on the Windows client system can send crafted DeviceIoControl requests to \\.\urvpndrv device causing the Windows kernel to crash.
Frequently asked questions
- What is CVE-2020-5898?
- In versions 7.1.5-7.1.9, BIG-IP Edge Client Windows Stonewall driver does not sanitize the pointer received from the userland. A local user on the Windows client system can send crafted DeviceIoControl requests to \\.\urvpndrv device causing the Windows kernel to crash.
- How severe is CVE-2020-5898?
- CVE-2020-5898 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-5898 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5898?
- CVE-2020-5898 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-2020-5898?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5898 published?
- CVE-2020-5898 was published on 2020-05-12 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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