Unscored severity · published Sep 18, 2015
CVE-2015-4638
The FastL4 virtual server in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and PEM 11.3.0 through 11.5.2 and 11.6.0 through 11.6.0 HF4, BIG-IP Edge Gateway,…
–
CVSS
1.7%
EPSS
No
On KEV
Description
The FastL4 virtual server in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and PEM 11.3.0 through 11.5.2 and 11.6.0 through 11.6.0 HF4, BIG-IP Edge Gateway, WebAccelerator, and WOM 11.2.1 through 11.3.0, and BIG-IP PSM 11.2.1 through 11.4.1 allows remote attackers to cause a denial of service (Traffic Management Microkernel restart) via a fragmented packet.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · 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 Advanced Firewall Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +1 more · source: NVD
BA
Big-ip Analytics · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +1 more · source: NVD
BA
Big-ip Application Security Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +1 more · source: NVD
BE
Big-ip Edge Gateway · F5
11.2.1; 11.3.0 · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +1 more · source: NVD
BL
Big-ip Link Controller · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +1 more · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +1 more · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.3.0; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +1 more · source: NVD
BP
Big-ip Protocol Security Module · F5
11.2.1; 11.3.0; 11.4.0; 11.4.1 · source: NVD
BW
Big-ip Webaccelerator · F5
11.2.1; 11.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-4638
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-4638
www.securitytracker.com
http://www.securitytracker.com/id/1033578
Vendor Advisory
https://support.f5.com/kb/en-us/solutions/public/17000/100/sol17155.html
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