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Known exploited vulnerability

CVE-2022-1388

criticalCVSS 3.1 9.8In CISA KEVRansomwareEPSS 100%Published · F5

The short answer

CVE-2022-1388 affects F5 BIG-IP and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-10: attackers are using it, so patch it first.

What it is

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

Weakness: CWE-306.

Severity

9.8 critical

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

Exploited (CISA KEV)

Yes, since May 10, 2022

Federal due date May 31, 2022

EPSS, next 30 days

100%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

BIG-IP. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2022-1388 being exploited?

Yes. CISA added CVE-2022-1388 to its Known Exploited Vulnerabilities catalog on 2022-05-10, with a federal remediation due date of 2022-05-31. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2022-1388?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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