Security readout for executives and security teams
CVE-2022-1388 lets unauthenticated network attackers bypass authentication to F5 BIG-IP iControl REST. Because BIG-IP often protects critical applications, a compromised management interface can create serious business impact. CISA lists this CVE in KEV, so treat internet-reachable or broadly reachable BIG-IP management planes as urgent. Highest risk is BIG-IP systems where iControl REST management is reachable from the internet, untrusted networks, VPN user networks, or overly broad internal segments. End-of-technical-support 12.1.x and 11.6.x systems are especially concerning because the source notes they are not evaluated. Immediate priority for any exposed or unsupported BIG-IP management plane. This is a critical, exploited authentication bypass affecting infrastructure that can sit in front of important business systems. Confirm exposure, apply F5-supported updates or mitigations, and verify management-plane access controls. Mitigation focus: Upgrade affected BIG-IP branches to the fixed versions named by F5 where available.; For 12.1.x and 11.6.x, consult F5 guidance because all listed versions are affected.; Restrict iControl REST management access to trusted administrative networks only..
Michael Williams reviewed this cited source version on .
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Open ATT&CK lookupCVE-2022-1388 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.f5.com/csp/article/K23605346CVE reference
- https://www.secpod.com/blog/critical-f5-big-ip-remote-code-execution-vulnerability-patch-now/CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-1388CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.