High severity · published May 3, 2019
CVE-2019-6619
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application…
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
On BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, the Traffic Management Microkernel (TMM) may restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation (ALPN) enabled and it processes traffic where the ALPN extension size is zero.
CVSS vector
CVSS:3.1/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
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BA
Big-ip Application Security Manager · F5
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BL
Big-ip Link Controller · F5
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BL
Big-ip Local Traffic Manager · F5
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
BW
Big-ip Webaccelerator · F5
12.1.0 before 12.1.4.1; 13.0.0 before 13.1.1.5; 14.0.0 before 14.1.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6619
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6619
Broken Link
http://www.securityfocus.com/bid/108190
Vendor Advisory
https://support.f5.com/csp/article/K94563344
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