High severity · published Apr 11, 2016
CVE-2015-8240
The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and BIG-IP PEM before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x…
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and BIG-IP PEM before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x before 11.6.0 HF6 and BIG-IP PSM before 11.4.1 HF10 does not properly handle TCP options, which allows remote attackers to cause a denial of service via unspecified vectors, related to the tm.minpathmtu database variable.
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)1.8% · higher than 78% 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
11.4.1; 11.5.3; 11.6.0 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BA
Big-ip Analytics · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BA
Big-ip Application Security Manager · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BL
Big-ip Link Controller · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.4.1; 11.5.3; 11.6.0 · source: NVD
BP
Big-ip Protocol Security Module · F5
11.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8240
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8240
www.securitytracker.com
http://www.securitytracker.com/id/1035367
Vendor Advisory
https://support.f5.com/kb/en-us/solutions/public/k/06/sol06223540.html
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