What is CVE-2020-27729?

CVE-2020-27729 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-12-24.

How severe is CVE-2020-27729?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in F5 Big-Ip Access Policy Manager

CVE-2020-27729

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.

Vulnerability class: Open Redirect

EPSS: 0.006 (46.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

F5 Big-ip_access_policy_manager
N/a Big-ip Apm — 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, 11.6.1-11.6.5.2

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27729?: CVE-2020-27729 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-12-24.
How severe is CVE-2020-27729?: Medium severity. CVSS v3 base score is 6.1 out of 10.