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CVE-2019-6629

HIGHCVSS 7.5/10EPSS 1.31%

Last modified

CVE-2019-6629 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On BIG-IP 14.1.0-14.1.0.5, undisclosed SSL traffic to a virtual server configured with a Client SSL profile may cause TMM to fail and restart. The Client SSL profile must have session tickets enabled and use DHE cipher suites to be affected. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

On BIG-IP 14.1.0-14.1.0.5, undisclosed SSL traffic to a virtual server configured with a Client SSL profile may cause TMM to fail and restart. The Client SSL profile must have session tickets enabled and use DHE cipher suites to be affected. This only impacts the data plane, there is no impact to the control plane.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.31%

67.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Application Acceleration Manager>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Advanced Firewall Manager>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Analytics>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Access Policy Manager>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Application Security Manager>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Domain Name System>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Edge Gateway>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Global Traffic Manager>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Link Controller>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Policy Enforcement Manager>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Webaccelerator>= 14.1.0.1, <= 14.1.0.5
F5Big-Ip Websafe>= 14.1.0.1, <= 14.1.0.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-6629?
On BIG-IP 14.1.0-14.1.0.5, undisclosed SSL traffic to a virtual server configured with a Client SSL profile may cause TMM to fail and restart. The Client SSL profile must have session tickets enabled and use DHE cipher suites to be affected. This only impacts the data plane, there is no impact to the control plane.
How severe is CVE-2019-6629?
CVE-2019-6629 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6629?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST