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CVE-2021-22986

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 vu…

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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 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.90%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 9 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Rapid7
Press · 16 Jun 2026, 07:00 · Rapid7 Analysis: K03009991: iControl REST unauthenticated remote command execution vulnerability CVE-2021-22986 - Rapid7
Arctic Wolf
Press · 28 Jul 2022, 03:02 · F5 BIG-IP RCE Vulnerability Actively Exploited in the Wild - Arctic Wolf
Help Net Security
Press · 05 May 2022, 07:00 · Critical F5 BIG-IP flaw allows device takeover, patch ASAP! (CVE-2022-1388) - Help Net Security
www.trendmicro.com
Press · 03 Dec 2021, 08:00 · Vulnerabilities Exploited for Monero Mining Malware Delivered via GitHub, Netlify - www.trendmicro.com
www.trendmicro.com
Press · 03 Dec 2021, 08:00 · Vulnerabilities Exploited for Monero Mining Malware Delivered via GitHub, Netlify - www.trendmicro.com
See all 9 source documents
The Hacker News
Press · 20 Mar 2021, 07:00 · Critical F5 BIG-IP Bug Under Active Attacks After PoC Exploit Posted Online - The Hacker News
Rapid7
Press · 18 Mar 2021, 07:00 · F5 Discloses Eight Vulnerabilities—Including Four Critical Ones—in BIG-IP Systems - Rapid7
SOC Prime
Press · 12 Mar 2021, 08:00 · Critical Vulnerabilities in F5 BIG-IP, BIG-IQ Enable Remote Code Execution on Vulnerable Systems - SOC Prime
The Hacker News
Press · 11 Mar 2021, 08:00 · Critical Pre-Auth RCE Flaw Found in F5 Big-IP Platform — Patch ASAP! - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

5

Public exploit entries / repo candidates

See 5 repos with metrics
RepositoryStarsForksLanguageUpdated
1n7erface/PocList1,070312Java11 May 2023, 14:36
dorkerdevil/CVE-2021-22986-Poc5110—17 Mar 2021, 05:10
S1xHcL/f5_rce_poc264Python27 Mar 2021, 10:02
west9b/F5-BIG-IP-POC102Go30 Jul 2022, 00:16
huydung26/CVE-2021-2298600Python28 Dec 2023, 01:50
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:23.782764+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
11 Mar 2021, 08:00
Published
31 Mar 2021, 14:04
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
16 Jun 2026, 07:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
5 repositories