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ExploitedIn CISA KEVFix available

CVE-2022-1388

Exploitation confirmed. First attested on 2022-05-10 by CISA-ADP, CISA KEV, GCVE · kevintel, GCVE · shadowserver.

  • Published2022-05-05
  • Fixed in16.1.2.2 · 15.1.5.1 · 14.1.4.6 · 13.1.5
  • WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2022-05-0517:15CVE publishedNVD
  2. 2022-05-10Added to the CISA KEV catalogCISA KEV
  3. 2022-05-10Listed as exploited by GCVEGCVE
  4. 2022-05-10Exploitation first reportedCISA KEV
  5. 2022-05-12Exploit-DB entryExploit-DB
  6. 2025-01-2920:27SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-1388?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-1388?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
F5 big-ip access policy manager
BranchAffectedFixed in
16.1≥ 16.1.0, < 16.1.2.216.1.2.2
15.1≥ 15.1.0, < 15.1.5.115.1.5.1
14.1≥ 14.1.0, < 14.1.4.614.1.4.6
13.1≥ 13.1.0, < 13.1.513.1.5
11.6≥ 11.6.1, ≤ 11.6.5no fix published
12.1≥ 12.1.0, ≤ 12.1.6no fix published
F5 big-ip advanced firewall manager
BranchAffectedFixed in
16.1≥ 16.1.0, < 16.1.2.216.1.2.2
15.1≥ 15.1.0, < 15.1.5.115.1.5.1
14.1≥ 14.1.0, < 14.1.4.614.1.4.6
13.1≥ 13.1.0, < 13.1.513.1.5
11.6≥ 11.6.1, ≤ 11.6.5no fix published
12.1≥ 12.1.0, ≤ 12.1.6no fix published
F5 big-ip analytics
BranchAffectedFixed in
16.1≥ 16.1.0, < 16.1.2.216.1.2.2
15.1≥ 15.1.0, < 15.1.5.115.1.5.1
14.1≥ 14.1.0, < 14.1.4.614.1.4.6
13.1≥ 13.1.0, < 13.1.513.1.5
11.6≥ 11.6.1, ≤ 11.6.5no fix published
12.1≥ 12.1.0, ≤ 12.1.6no fix published

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As f5, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • F5 BIG-IP
    Affected
    • ≥ 16.1.x, < 16.1.2.2fixed in 16.1.2.2custom
    • ≥ 15.1.x, < 15.1.5.1fixed in 15.1.5.1custom
    • ≥ 14.1.x, < 14.1.4.6fixed in 14.1.4.6custom
    • ≥ 13.1.x, < 13.1.5fixed in 13.1.5custom
    • ≥ 12.1.x, ≤ 12.1.6no fix statedcustom
    • ≥ 11.6.x, ≤ 11.6.5no fix statedcustom

    Not affected ≥ 17.0.0, < 17.0.x*

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2023-10-18

Fix

  1. Update F5 big-ip access policy manager to 16.1.2.2 · 15.1.5.1 · 14.1.4.6 · 13.1.5
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-05-31

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-50932
Exploit-DB
Proof-of-concept repositories
20 repositories, unverifiednumanturle/CVE-2022-1388jheeree/CVE-2022-1388-checkerMrCl0wnLab/Nuclei-Template-CVE-2022-1388-BIG-IP-iControl-REST-ExposedOsyanina/westone-CVE-2022-1388-scannerdoocop/CVE-2022-1388-EXP
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/http/f5_icontrol_rcerank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-05-10
Patch Due Date
2022-05-31
Ransomware Use
Known
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-05-05
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-mrph-rvc3-cv97

Frequently asked questions

What is CVE-2022-1388?

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

Is CVE-2022-1388 actively exploited?

Yes. CVE-2022-1388 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-31.

What is the CVSS score for CVE-2022-1388?

CVE-2022-1388 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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