CVE-2019-6619

moderate-risk
Published 2019-05-03

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.

Do I need to act?

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0.74% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

F5

References (4)

Broken Link http://www.securityfocus.com/bid/108190
Vendor Advisory https://support.f5.com/csp/article/K94563344
Broken Link http://www.securityfocus.com/bid/108190
Vendor Advisory https://support.f5.com/csp/article/K94563344
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 14/34 · Moderate