Medium severity · published Oct 20, 2017
CVE-2017-6141
In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, and WebSafe 12.1.0 through 12.1.2, certain values in a TLS abbreviated handshake when using a client SSL profile with…
5.9
CVSS
1.1%
EPSS
No
On KEV
Description
In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, and WebSafe 12.1.0 through 12.1.2, certain values in a TLS abbreviated handshake when using a client SSL profile with the Session Ticket option enabled may cause disruption of service to the Traffic Management Microkernel (TMM). The Session Ticket option is disabled by default.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% 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
12.1.0; 12.1.1; 12.1.2 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
12.1.0; 12.1.1; 12.1.2 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
12.1.0; 12.1.1; 12.1.2 · source: NVD
BA
Big-ip Application Security Manager · F5
12.1.0; 12.1.1; 12.1.2 · source: NVD
BL
Big-ip Link Controller · F5
12.1.0; 12.1.1; 12.1.2 · source: NVD
BL
Big-ip Local Traffic Manager · F5
12.1.0; 12.1.1; 12.1.2 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
12.1.0; 12.1.1; 12.1.2 · source: NVD
BW
Big-ip Websafe · F5
12.1.0; 12.1.1; 12.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6141
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6141
Vendor Advisory
https://support.f5.com/csp/article/K21154730
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