CVE-2021-22984: f5 big-ip_advanced_web_application_firewall Open Redirect
Vulnerability summary
CVE-2021-22984 is a medium (CVSS 6.1) Open Redirect vulnerability in f5 big-ip_advanced_web_application_firewall. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities.
Timeline
- 12-02-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
On BIG-IP Advanced WAF and ASM version 15.1.x before 15.1.0.2, 15.0.x before 15.0.1.4, 14.1.x before 14.1.2.5, 13.1.x before 13.1.3.4, 12.1.x before 12.1.5.2, and 11.6.x before 11.6.5.2, when receiving a unauthenticated client request with a maliciously crafted URI, a BIG-IP Advanced WAF or ASM virtual server configured with a DoS profile with Proactive Bot Defense (versions prior to 14.1.0), or a Bot Defense profile (versions 14.1.0 and later), may subject clients and web servers to Open Redirection attacks. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.12%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
0.00 pp
From 1.12% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F52 products
- big-ip_advanced_web_application_firewall≥ 11.6.1, < 11.6.5.2 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, < 13.1.3.4 | ≥ 14.1.0, < 14.1.2.5 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.2
- big-ip_application_security_manager≥ 11.6.1, < 11.6.5.2 | ≥ 12.1.0, < 12.1.5.2 | ≥ 13.1.0, < 13.1.3.4 | ≥ 14.1.0, < 14.1.2.5 | ≥ 15.0.0, < 15.0.1.4 | ≥ 15.1.0, < 15.1.0.2
1 vendor · 2 products