What is CVE-2021-23052?

CVE-2021-23052 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 2021-09-14.

How severe is CVE-2021-23052?

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

Open Redirect in F5 Big-Ip Access Policy Manager

CVE-2021-23052

On version 14.1.x before 14.1.4.4 and all versions of 13.1.x, an open redirect vulnerability exists on virtual servers enabled with a BIG-IP APM access policy. This vulnerability allows an unauthenticated malicious user to build an open redirect URI. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Vulnerability class: Open Redirect

EPSS: 0.006 (44.3th 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 14.1.x before 14.1.4.4 and all versions of 13.1.x

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-2021-23052?: CVE-2021-23052 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 2021-09-14.
How severe is CVE-2021-23052?: Medium severity. CVSS v3 base score is 6.1 out of 10.