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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (58.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- F5 Big-Ip Access Policy Manager — versions 11.2.1
- F5 Big-Ip Advanced Firewall Manager — versions 11.2.1
- F5 Big-Ip Analytics — versions 11.2.1
- F5 Big-Ip Application Acceleration Manager — versions 11.2.1
- F5 Big-Ip Application Security Manager — versions 11.2.1
- F5 Big-Ip Domain Name System — versions 11.2.1
- F5 Big-Ip Edge Gateway — versions 11.2.1
- F5 Big-Ip Global Traffic Manager — versions 11.2.1
- F5 Big-Ip Link Controller — versions 11.2.1
- F5 Big-Ip Local Traffic Manager — versions 11.2.1
Weakness classification (CWE)
References
- www.securitytracker.com/id/1041021 (VDB Entry, Third Party Advisory, vdb-entry)
- support.f5.com/csp/article/K23124150 (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.