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High severity · published Mar 22, 2018
CVE-2018-5502
On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by default in Client SSL profile. There is no control plane exposure.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% 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
13.0.0 before 13.1.0.4 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
13.0.0 before 13.1.0.4 · source: NVD
BA
Big-ip Analytics · F5
13.0.0 before 13.1.0.4 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
13.0.0 before 13.1.0.4 · source: NVD
BA
Big-ip Application Security Manager · F5
13.0.0 before 13.1.0.4 · source: NVD
BD
Big-ip Domain Name System · F5
13.0.0 through 13.1.0.4 · source: NVD
BE
Big-ip Edge Gateway · F5
13.0.0 before 13.1.0.4 · source: NVD
BG
Big-ip Global Traffic Manager · F5
13.0.0 before 13.1.0.4 · source: NVD
BL
Big-ip Link Controller · F5
13.0.0 before 13.1.0.4 · source: NVD
BL
Big-ip Local Traffic Manager · F5
13.0.0 before 13.1.0.4 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
13.0.0 before 13.1.0.4 · source: NVD
BW
Big-ip Webaccelerator · F5
13.0.0 before 13.1.0.4 · source: NVD
Affected product
BA
Big-ip Access Policy Manager
F5
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5502
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5502
Third Party Advisory
http://www.securitytracker.com/id/1040561
Vendor Advisory
https://support.f5.com/csp/article/K43121447
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