CVE & CISA-KEV Catalog

CVE-2021-22986

CRITICALCISA KEVEPSS 100th pctl
9.8
CVSS v3
NVD

Description

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.

How to fix

Remediation Available
big-ip access policy managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip advanced firewall managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip advanced web application firewallNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip analyticsNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip application acceleration managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip application security managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip ddos hybrid defenderNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip domain name systemNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip fraud protection serviceNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip global traffic managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip link controllerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip local traffic managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-ip policy enforcement managerNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD
big-iq centralized managementNVD
Affected:>= 7.1.0, < 7.1.0.3Fixed in:7.1.0.3CVE-2021-22986derived from NVD
ssl orchestratorNVD
Affected:>= 16.0.0, < 16.0.1.1Fixed in:16.0.1.1CVE-2021-22986derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

99.90%probability of exploitation in 30 days
100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability

F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disable services.

Apply updates per vendor instructions.

Remediation due: 2021-11-17

Associated with ransomware campaigns

References

Related Vulnerabilities

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CVE-2021-40438Critical9.0100%KEVFix
CVE-2021-34473Critical9.1100%KEV + RansomFix
CVE-2021-26855Critical9.1100%KEV + RansomFix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2022-41040High8.8100%KEV + RansomFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.