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CVE-2021-22986

99
FAUCET Score

CVE-2021-22986 is a critical unauthenticated remote command execution vulnerability affecting the iControl REST interface in multiple versions of F5 BIG-IP and BIG-IQ products. With a CVSS score of 9.8 (CRITICAL), this flaw allows unauthenticated attackers to execute arbitrary commands remotely, leading to complete system compromise. The vulnerability is actively exploited in the wild, including in known ransomware campaigns, and has readily available exploit code, Metasploit modules, and significant community discussion and media coverage. Organizations using affected F5 products should prioritize immediate patching to mitigate this severe threat.

Impacted Technologies

VendorProductVersion(s)CPE
>= 12.1.0, < 12.1.5.3CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
>= 13.1.0, < 13.1.3.6CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
>= 14.1.0, < 14.1.4CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
>= 15.1.0, < 15.1.2.1CPE 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 Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.90%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
Metasploit: F5 iControl REST Unauthenticated SSRF Token Generation RCE · Mar 10, 2021
Nuclei: CVE-2021-22986 · Mar 21, 2021
ExploitDB: EDB-49738 · Apr 2, 2021
This CVE's current EPSS score of 0.9990 is in the 100th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/162059/F5-iControl-Server-Side-Request-Forgery-Remote-Command-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/162066/F5-BIG-IP-16.0.x-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
support.f5.com / csp/article/K03009991
Vendor Advisory