CVE-2022-1388

Home/CVE/F5 BIG-IP Missing Authentication Vulnerability

CVE

F5 BIG-IP Missing Authentication Vulnerability

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all 12.1.x and 11.6.x versions, undisclosed requests may bypass iControl REST authentication. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.94456 Ransomware: known

Act now

Listed on CISA KEV (known exploited in the wild)
Linked to known ransomware campaigns
SSVC exploitation status: active
EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
EPSS percentile: top 0% of all CVEs by exploitation likelihood
Public exploit or PoC is available
SSVC automatable: yes - attacks can be scripted at scale
CVSS base score ≥ 7.0

Sigma rules10 YARA rules0

⬢

Required Remediation

Apply updates per vendor instructions.

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Threat Actors Linked

actorPioneer Kitten

actorVelvet Ant

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Weakness Classification

CWE-306Missing Authentication for Critical Function

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Affected Products & Versions

f5 big-ip access policy manager>= 11.6.1 and <= 11.6.5
f5 big-ip access policy manager>= 12.1.0 and <= 12.1.6
f5 big-ip access policy manager>= 13.1.0 and < 13.1.5
f5 big-ip access policy manager>= 14.1.0 and < 14.1.4.6
f5 big-ip access policy manager>= 15.1.0 and < 15.1.5.1
f5 big-ip access policy manager>= 16.1.0 and < 16.1.2.2
f5 big-ip advanced firewall manager>= 11.6.1 and <= 11.6.5
f5 big-ip advanced firewall manager>= 12.1.0 and <= 12.1.6
Show all 60 affected productsf5 big-ip advanced firewall manager>= 13.1.0 and < 13.1.5
f5 big-ip advanced firewall manager>= 14.1.0 and < 14.1.4.6
f5 big-ip advanced firewall manager>= 15.1.0 and < 15.1.5.1
f5 big-ip advanced firewall manager>= 16.1.0 and < 16.1.2.2
f5 big-ip analytics>= 11.6.1 and <= 11.6.5
f5 big-ip analytics>= 12.1.0 and <= 12.1.6
f5 big-ip analytics>= 13.1.0 and < 13.1.5
f5 big-ip analytics>= 14.1.0 and < 14.1.4.6
f5 big-ip analytics>= 15.1.0 and < 15.1.5.1
f5 big-ip analytics>= 16.1.0 and < 16.1.2.2
f5 big-ip application acceleration manager>= 11.6.1 and <= 11.6.5
f5 big-ip application acceleration manager>= 12.1.0 and <= 12.1.6
f5 big-ip application acceleration manager>= 13.1.0 and < 13.1.5
f5 big-ip application acceleration manager>= 14.1.0 and < 14.1.4.6
f5 big-ip application acceleration manager>= 15.1.0 and < 15.1.5.1
f5 big-ip application acceleration manager>= 16.1.0 and < 16.1.2.2
f5 big-ip application security manager>= 11.6.1 and <= 11.6.5
f5 big-ip application security manager>= 12.1.0 and <= 12.1.6
f5 big-ip application security manager>= 13.1.0 and < 13.1.5
f5 big-ip application security manager>= 14.1.0 and < 14.1.4.6
f5 big-ip application security manager>= 15.1.0 and < 15.1.5.1
f5 big-ip application security manager>= 16.1.0 and < 16.1.2.2
f5 big-ip domain name system>= 11.6.1 and <= 11.6.5
f5 big-ip domain name system>= 12.1.0 and <= 12.1.6
f5 big-ip domain name system>= 13.1.0 and < 13.1.5
f5 big-ip domain name system>= 14.1.0 and < 14.1.4.6
f5 big-ip domain name system>= 15.1.0 and < 15.1.5.1
f5 big-ip domain name system>= 16.1.0 and < 16.1.2.2
f5 big-ip fraud protection service>= 11.6.1 and <= 11.6.5
f5 big-ip fraud protection service>= 12.1.0 and <= 12.1.6
f5 big-ip fraud protection service>= 13.1.0 and < 13.1.5
f5 big-ip fraud protection service>= 14.1.0 and < 14.1.4.6
f5 big-ip fraud protection service>= 15.1.0 and < 15.1.5.1
f5 big-ip fraud protection service>= 16.1.0 and < 16.1.2.2
f5 big-ip global traffic manager>= 11.6.1 and <= 11.6.5
f5 big-ip global traffic manager>= 12.1.0 and <= 12.1.6
f5 big-ip global traffic manager>= 13.1.0 and < 13.1.5
f5 big-ip global traffic manager>= 14.1.0 and < 14.1.4.6
f5 big-ip global traffic manager>= 15.1.0 and < 15.1.5.1
f5 big-ip global traffic manager>= 16.1.0 and < 16.1.2.2
f5 big-ip link controller>= 11.6.1 and <= 11.6.5
f5 big-ip link controller>= 12.1.0 and <= 12.1.6
f5 big-ip link controller>= 13.1.0 and < 13.1.5
f5 big-ip link controller>= 14.1.0 and < 14.1.4.6
f5 big-ip link controller>= 15.1.0 and < 15.1.5.1
f5 big-ip link controller>= 16.1.0 and < 16.1.2.2
f5 big-ip local traffic manager>= 11.6.1 and <= 11.6.5
f5 big-ip local traffic manager>= 12.1.0 and <= 12.1.6
f5 big-ip local traffic manager>= 13.1.0 and < 13.1.5
f5 big-ip local traffic manager>= 14.1.0 and < 14.1.4.6
f5 big-ip local traffic manager>= 15.1.0 and < 15.1.5.1
f5 big-ip local traffic manager>= 16.1.0 and < 16.1.2.2

⚠

Public Exploits & PoCs

remoteF5 BIG-IP 16.0.x - Remote Code Execution (RCE)2022-05-12
nucleiF5 BIG-IP iControl - REST Auth Bypass RCEcritical
nucleiF5 BIG-IP iControl REST Panel - Detectinfo
pocpacketstormsecurity.com · F5-BIG-IP-Remote-Code-Execution.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · F5-BIG-IP-16.0.x-Remote-Code-Execution.htmlpacketstormsecurity.com
pocpacketstormsecurity.com · F5-BIG-IP-iControl-Remote-Code-Execution.htmlpacketstormsecurity.com
pocwww.secpod.com · critical-f5-big-ip-remote-code-execution-vulnerability-pa...www.secpod.com

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Detection Rules (IDS/IPS)

et-openET EXPLOIT F5 BIG-IP iControl REST Authentication Bypass (CVE-2022-1388) M1attempted-admin
et-openET EXPLOIT F5 BIG-IP iControl REST Authentication Bypass Server Response (CVE-2022-1388)trojan-activity
et-openET EXPLOIT F5 BIG-IP iControl REST Authentication Bypass Attempt (CVE-2022-1388) M2attempted-admin
et-openET EXPLOIT F5 BIG-IP iControl REST Authentication Bypass Attempt (CVE-2022-1388) M3attempted-admin
snort-communityPOLICY-OTHER F5 iControl REST interface tm.util.bash invocation attemptpolicy-violation
snort-communitySERVER-WEBAPP F5 BIG-IP iControl remote code execution attemptattempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

relatedcriticalAntivirus Password Dumper Detection

relatedcriticalHacktool Execution - Imphash

relatedcriticalHackTool - Rubeus Execution

relatedcriticalPotential Credential Dumping Via LSASS Process Clone

relatedcriticalWCE wceaux.dll Access

relatedcriticalHackTool - Dumpert Process Dumper Default File

Show all 10 top matches

relatedcriticalHackTool - Credential Dumping Tools Named Pipe Created

relatedcriticalHackTool - Inveigh Execution

relatedcriticalHackTool - SafetyKatz Execution

relatedcriticalHackTool - Dumpert Process Dumper Execution

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Scoring & Timeline

9.8

CRITICAL · CVSS v3.1 · f5sirt@f5.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD05 May 2022 · 05:15 PM

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

SSVC triage · cisa-vulnrichment

Exploitation

active

Automatable

yes

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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Vendor Advisories

cisaKEV-CVE-2022-1388

splunk-security-contentbb1c2c30-107a-4e56-a4b9-1f7022867bfe

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://support.f5.com/csp/article/K23605346MitigationVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1388US Government Resource

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NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

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