CVE & CISA-KEV Catalog

CVE-2019-6619

HIGHEPSS 75th pctl
7.5
CVSS v3
NVD

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.

How to fix

Remediation Available
big-ip access policy managerNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD
big-ip advanced firewall managerNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD
big-ip application acceleration managerNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD
big-ip application security managerNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD
big-ip link controllerNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD
big-ip local traffic managerNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD
big-ip policy enforcement managerNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD
big-ip webacceleratorNVD
Affected:>= 14.0.0, < 14.1.0.2Fixed in:14.1.0.2CVE-2019-6619derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.77%probability of exploitation in 30 days
75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
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CVE-2019-6619 severity badge

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.