CVE-2020-27729: Medium severity f5 access policy manager vulnerability

Published Dec 24, 2020
·
Updated

In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, an undisclosed link on the BIG-IP APM virtual server allows a malicious user to build an open redirect URI.

Affected Software

6 affected components
F5 BIG-IP Access Policy Manager>=11.6.1<=11.6.5
F5 BIG-IP Access Policy Manager>=12.1.0<=12.1.5
F5 BIG-IP Access Policy Manager>=13.1.0<13.1.3.5
F5 BIG-IP Access Policy Manager>=14.1.0<14.1.3.1
F5 BIG-IP Access Policy Manager>=15.0.0<15.1.1
F5 BIG-IP Access Policy Manager>=16.0.0<16.0.1

Event History

Dec 24, 2020
CVE Published
via MITRE·03:17 PM
Data Sourced
via MITRE·03:17 PM
DescriptionWeakness

Frequently Asked Questions

1

What is the severity of CVE-2020-27729?

CVE-2020-27729 is rated as a high severity vulnerability due to the potential for open redirects.

2

How do I fix CVE-2020-27729?

To fix CVE-2020-27729, upgrade your F5 BIG-IP APM to a version that is not vulnerable, specifically above the affected versions listed.

3

What versions are affected by CVE-2020-27729?

CVE-2020-27729 affects F5 BIG-IP APM versions 11.6.1 through 11.6.5.2, 12.1.0 through 12.1.5.2, 13.1.0 through 13.1.3.4, 14.1.0 through 14.1.3.1, 15.0.0 through 15.1.0, and 16.0.0 through 16.0.0.1.

4

What impact does CVE-2020-27729 have?

CVE-2020-27729 allows malicious users to construct open redirect URIs, potentially redirecting users to malicious sites.

5

Is there a workaround for CVE-2020-27729?

While the best course of action is to upgrade, implementing strict input validation and disabling untrusted redirect functionality can help mitigate CVE-2020-27729.

Contact

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