CVE-2020-5919

Name: CVE-2020-5919
Creator: NVD / NIST
Published: 2020-08-26T15:15:13.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.04%

Last modified Jun 17, 2026

CVE-2020-5919 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In versions 15.1.0-15.1.0.4, rendering of certain session variables by BIG-IP APM UI-based agents in an access profile configured with Modern customization, may cause the Traffic Management Microkernel (TMM) to stop responding.. EPSS estimates a 1.04% chance of exploitation in the next 30 days.

Description

In versions 15.1.0-15.1.0.4, rendering of certain session variables by BIG-IP APM UI-based agents in an access profile configured with Modern customization, may cause the Traffic Management Microkernel (TMM) to stop responding.

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

1.04%

59.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
F5	Big-Ip Access Policy Manager	>= 15.1.0, < 15.1.0.5

References

https://support.f5.com/csp/article/K94563369Vendor Advisory
https://support.f5.com/csp/article/K94563369Vendor Advisory

Timeline

Published: Aug 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5919?

How severe is CVE-2020-5919?

CVE-2020-5919 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.04% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5919?

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.

Are you affected by CVE-2020-5919?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST