Medium severity · published Dec 23, 2019
CVE-2019-6686
On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, the Traffic Management Microkernel (TMM) might stop responding after the total number of…
5.3
CVSS
1%
EPSS
No
On KEV
Description
On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, the Traffic Management Microkernel (TMM) might stop responding after the total number of diameter connections and pending messages on a single virtual server has reached 32K.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BL
Big-ip Local Traffic Manager · F5
13.1.0 before 13.1.3.2; 14.0.0 before 14.0.1.1; 14.1.0 before 14.1.2.1; 15.0.0 before 15.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6686
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6686
Vendor Advisory
https://support.f5.com/csp/article/K55812535
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