High severity · published Jul 25, 2018
CVE-2018-5542
F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server
8.1
CVSS
1.2%
EPSS
No
On KEV
Description
F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2 HTTPS health monitors do not validate the identity of the monitored server.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% 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
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BA
Big-ip Analytics · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BA
Big-ip Application Security Manager · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BD
Big-ip Domain Name System · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BE
Big-ip Edge Gateway · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BF
Big-ip Fraud Protection Service · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BL
Big-ip Link Controller · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.2.1 through 11.6.3; 12.1.0 through 12.1.3; 13.0.0 through 13.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5542
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5542
Vendor Advisory
https://support.f5.com/csp/article/K05112543
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