SSRF in F5 Big-Ip Advanced Web Application Firewall
CVE-2021-23029
On version 16.0.x before 16.0.1.2, insufficient permission checks may allow authenticated users with guest privileges to perform Server-Side Request Forgery (SSRF) attacks through F5 Advanced Web Application Firewall (WAF) and the BIG-IP ASM Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% 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 Advanced Web Application Firewall
- F5 Big-Ip Application Security Manager
- Big-Ip Advanced Waf And Asm — versions 16.0.x before 16.0.1.2
Weakness classification (CWE)
References
- support.f5.com/csp/article/K52420610 (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-23029?
- CVE-2021-23029 is a high-severity vulnerability in F5 Big-Ip Advanced Web Application Firewall, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.8/10. Published 2021-09-14.
- How severe is CVE-2021-23029?
- High severity. CVSS v3 base score is 8.8 out of 10.