Vulnerability in F5 Big-Ip

CVE-2023-42768

When a non-admin user has been assigned an administrator role via an iControl REST PUT request and later the user's role is reverted back to a non-admin role via the Configuration utility, tmsh, or iControl REST. BIG-IP non-admin user can still have access to iControl REST admin resource.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

EPSS: 0.005 (41.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-42768?
CVE-2023-42768 is a high-severity vulnerability in F5 Big-Ip, classified under Insufficient Session Expiration. CVSS score: 7.2/10. Published 2023-10-10.
How severe is CVE-2023-42768?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-42768 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.