XSS in F5 Big-Ip Access Policy Manager

CVE-2018-5521

On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, carefully crafted URLs can be used to reflect arbitrary content into GeoIP lookup responses, potentially exposing clients to XSS.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (56.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

  • f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
  • f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-5521?
CVE-2018-5521 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-01.
How severe is CVE-2018-5521?
Medium severity. CVSS v3 base score is 6.1 out of 10.