CVE-2021-22973 is a denial-of-service vulnerability affecting multiple F5 BIG-IP modules, including Access Policy Manager and Application Security Manager, across several versions. The flaw stems from an out-of-bounds memory access or write within the JSON parser function. With a CVSS score of 7.5 (HIGH), this vulnerability can be exploited remotely with low attack complexity, leading to a complete loss of availability for affected systems. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.1.0, <= 12.1.5CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 13.1.0, < 13.1.3.5CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 14.1.0, < 14.1.3.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 15.1.0, < 15.1.2CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | ||
>= 16.0.0, < 16.0.1.1CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.