CVE-2020-5898

5.5 mediumEPSS 0.3%

Medium (5.5) in f5. EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
Published: 2020-05-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_access_policy_manager
f5:big-ip_access_policy_manager_client

References

https://support.f5.com/csp/article/K69154630
https://support.f5.com/csp/article/K69154630

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