CVE-2021-22986

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3 amd BIG-IQ 7.1.0.x before 7.1.0.3 and 7.0.0.x before 7.0.0.2, the iControl REST interface has an unauthenticated remote command execution vulnerability. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS
100.0%
KEV
⚠ Exploited

Published

March 31, 2021

Last Modified

October 27, 2025

Advisory Details (3)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22986
generic

myF5

https://support.f5.com/csp/article/K03009991
generic

Packet Storm

http://packetstormsecurity.com/files/162059/F5-iControl-Server-Side-Request-Forgery-Remote-Command-Execution.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 45× in last 7d / 205× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 369 total refreshes for this CVE.

  1. 2026-07-23 01:57 UTCEG score recompute
  2. 2026-07-22 22:56 UTCGHSA enrichment
  3. 2026-07-22 22:44 UTCEG score recompute
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-22 19:10 UTCGHSA enrichment
  6. 2026-07-22 15:24 UTCGHSA enrichment
  7. 2026-07-22 11:37 UTCGHSA enrichment
  8. 2026-07-22 07:51 UTCGHSA enrichment
  9. 2026-07-22 04:05 UTCGHSA enrichment
  10. 2026-07-22 00:12 UTCGHSA enrichment
  11. 2026-07-21 20:26 UTCGHSA enrichment
  12. 2026-07-21 16:39 UTCGHSA enrichment
  13. 2026-07-21 14:37 UTCCISA KEV update
  14. 2026-07-21 12:54 UTCGHSA enrichment
  15. 2026-07-21 09:06 UTCGHSA enrichment
  16. 2026-07-21 05:20 UTCGHSA enrichment
  17. 2026-07-21 01:34 UTCGHSA enrichment
  18. 2026-07-20 21:48 UTCGHSA enrichment
  19. 2026-07-20 18:02 UTCGHSA enrichment
  20. 2026-07-20 14:17 UTCGHSA enrichment
  21. 2026-07-20 10:31 UTCGHSA enrichment
  22. 2026-07-20 06:46 UTCGHSA enrichment
  23. 2026-07-20 02:32 UTCGHSA enrichment
  24. 2026-07-19 22:47 UTCGHSA enrichment
  25. 2026-07-19 19:02 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 15:17 UTCGHSA enrichment
  2. 2026-07-19 11:31 UTCGHSA enrichment
  3. 2026-07-19 07:46 UTCGHSA enrichment
  4. 2026-07-19 04:01 UTCGHSA enrichment
  5. 2026-07-19 00:15 UTCGHSA enrichment
  6. 2026-07-18 20:30 UTCGHSA enrichment
  7. 2026-07-18 16:44 UTCGHSA enrichment
  8. 2026-07-18 12:58 UTCGHSA enrichment
  9. 2026-07-18 09:12 UTCGHSA enrichment
  10. 2026-07-18 05:27 UTCGHSA enrichment
  11. 2026-07-18 01:41 UTCGHSA enrichment
  12. 2026-07-17 21:56 UTCGHSA enrichment
  13. 2026-07-17 18:11 UTCGHSA enrichment
  14. 2026-07-17 14:26 UTCGHSA enrichment
  15. 2026-07-17 10:40 UTCGHSA enrichment
  16. 2026-07-17 06:54 UTCGHSA enrichment
  17. 2026-07-17 03:09 UTCGHSA enrichment
  18. 2026-07-16 23:23 UTCGHSA enrichment
  19. 2026-07-16 19:38 UTCGHSA enrichment
  20. 2026-07-16 17:04 UTCCISA KEV update
  21. 2026-07-16 15:53 UTCGHSA enrichment
  22. 2026-07-16 12:08 UTCGHSA enrichment
  23. 2026-07-16 08:22 UTCGHSA enrichment
  24. 2026-07-16 04:37 UTCGHSA enrichment
  25. 2026-07-16 00:52 UTCGHSA enrichment
  26. 2026-07-15 21:07 UTCGHSA enrichment
  27. 2026-07-15 17:21 UTCGHSA enrichment
  28. 2026-07-15 16:49 UTCCISA KEV update
  29. 2026-07-15 15:04 UTCCISA KEV update
  30. 2026-07-15 13:32 UTCGHSA enrichment
  31. 2026-07-15 09:45 UTCGHSA enrichment
  32. 2026-07-15 05:59 UTCGHSA enrichment
  33. 2026-07-15 02:13 UTCGHSA enrichment
  34. 2026-07-14 22:28 UTCGHSA enrichment
  35. 2026-07-14 18:42 UTCGHSA enrichment
  36. 2026-07-14 18:05 UTCCISA KEV update
  37. 2026-07-14 14:57 UTCGHSA enrichment
  38. 2026-07-14 11:12 UTCGHSA enrichment
  39. 2026-07-14 07:25 UTCGHSA enrichment
  40. 2026-07-14 03:40 UTCGHSA enrichment
  41. 2026-07-13 23:55 UTCGHSA enrichment
  42. 2026-07-13 20:10 UTCGHSA enrichment
  43. 2026-07-13 17:07 UTCCISA KEV update
  44. 2026-07-13 16:24 UTCGHSA enrichment
  45. 2026-07-13 12:37 UTCGHSA enrichment
  46. 2026-07-13 08:52 UTCGHSA enrichment
  47. 2026-07-13 05:06 UTCGHSA enrichment
  48. 2026-07-13 01:20 UTCGHSA enrichment
  49. 2026-07-12 21:35 UTCGHSA enrichment
  50. 2026-07-12 17:49 UTCGHSA enrichment
  51. 2026-07-12 14:03 UTCGHSA enrichment
  52. 2026-07-12 10:18 UTCGHSA enrichment
  53. 2026-07-12 06:32 UTCGHSA enrichment
  54. 2026-07-12 02:47 UTCGHSA enrichment
  55. 2026-07-11 23:01 UTCGHSA enrichment
  56. 2026-07-11 19:16 UTCGHSA enrichment
  57. 2026-07-11 15:31 UTCGHSA enrichment
  58. 2026-07-11 11:46 UTCGHSA enrichment
  59. 2026-07-11 08:01 UTCGHSA enrichment
  60. 2026-07-11 04:16 UTCGHSA enrichment
  61. 2026-07-11 00:31 UTCGHSA enrichment
  62. 2026-07-10 20:46 UTCGHSA enrichment
  63. 2026-07-10 17:52 UTCCISA KEV update
  64. 2026-07-10 17:00 UTCGHSA enrichment
  65. 2026-07-10 13:15 UTCGHSA enrichment
  66. 2026-07-10 09:28 UTCGHSA enrichment
  67. 2026-07-10 05:41 UTCGHSA enrichment
  68. 2026-07-10 01:56 UTCGHSA enrichment
  69. 2026-07-09 22:11 UTCGHSA enrichment
  70. 2026-07-09 19:07 UTCEPSS rescore
  71. 2026-07-09 18:26 UTCGHSA enrichment
  72. 2026-07-09 14:41 UTCGHSA enrichment
  73. 2026-07-09 10:56 UTCGHSA enrichment
  74. 2026-07-09 07:10 UTCGHSA enrichment
  75. 2026-07-09 03:25 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (1 Metasploit module) (8 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCwest9b/F5-BIG-IP-POC
    First seen May 28, 2022

    CVE-2020-5902 CVE-2021-22986 CVE-2022-1388 POC集合

    Open source ↗
  • Exploit-DBEDB-49738
    First seen Apr 2, 2021

    F5 BIG-IP 16.0.x - iControl REST Remote Code Execution (Unauthenticated)

    Open source ↗
  • GitHub PoCTas9er/CVE-2021-22986
    First seen Mar 29, 2021

    Code By:Tas9er / F5 BIG-IP 远程命令执行漏洞

    Open source ↗
  • GitHub PoCyaunsky/CVE-202122986-EXP
    First seen Mar 26, 2021

    F5 BIG-IP远程代码执行；cve-2021-22986，批量检测；命令执行利用

    Open source ↗
  • GitHub PoCZephrFish/CVE-2021-22986_Check
    First seen Mar 23, 2021

    CVE-2021-22986 Checker Script in Python3

    Open source ↗
  • GitHub PoCAl1ex/CVE-2021-22986
    First seen Mar 22, 2021

    CVE-2021-22986 & F5 BIG-IP RCE

    Open source ↗
  • GitHub PoCsafesword/F5_RCE
    First seen Mar 21, 2021

    CVE-2021-22986 F5 BIG-IP iControl 命令执行漏洞

    Open source ↗
  • GitHub PoCS1xHcL/f5_rce_poc
    First seen Mar 19, 2021

    cve-2021-22986 f5 rce 漏洞批量检测 poc

    Open source ↗
  • GitHub PoCdorkerdevil/CVE-2021-22986-Poc
    First seen Mar 17, 2021

    This is a Poc for BIGIP iControl unauth RCE

    Open source ↗
  • Metasploitexploit/linux/http/f5_icontrol_rest_ssrf_rce✓ verified
    First seen Mar 10, 2021

    F5 iControl REST Unauthenticated SSRF Token Generation RCE

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2021-22986?
CVE-2021-22986 is a critical vulnerability published on March 31, 2021. On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3 amd BIG-IQ 7.1.0.x before 7.1.0.3 and 7.0.0.x before 7.0.0.2, the iControl REST interface has an unauthenticated remote command execution vulnerability. Note:…
When was CVE-2021-22986 disclosed?
CVE-2021-22986 was first published in the National Vulnerability Database on March 31, 2021, with the most recent update on October 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-22986 actively exploited?
Yes. CISA added CVE-2021-22986 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting F5 BIG-IP and BIG-IQ Centralized Management. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-22986?
CVE-2021-22986 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2021-22986?
CVE-2021-22986 affects F5 BIG-IP and BIG-IQ Centralized Management. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2021-22986?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22986, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2021-22986

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