Medium severity · published May 12, 2020
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
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.6.1 through 11.6.5.1; 12.1.0 through 12.1.5.1; 13.1.0 through 13.1.3.3; 14.1.0 through 14.1.2.5; 15.0.0 through 15.1.0.3 · source: NVD
BA
Big-ip Access Policy Manager Client · F5
7.1.5 through 7.1.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5898
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5898
Vendor Advisory
https://support.f5.com/csp/article/K69154630
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