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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (42.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- F5 Big-Ip — versions 17.1.0, 16.1.0, 15.1.0
- F5 Big-Ip Access Policy Manager
- F5 Big-Ip Advanced Firewall Manager
- F5 Big-Ip Advanced Web Application Firewall
- F5 Big-Ip Analytics
- F5 Big-Ip Application Acceleration Manager
- F5 Big-Ip Application Security Manager
- F5 Big-Ip Application Visibility And Reporting
- F5 Big-Ip Carrier-Grade Nat
- F5 Big-Ip Ddos Hybrid Defender
Weakness classification (CWE)
Public proof-of-concept exploits
References
- my.f5.com/manage/s/article/K26910459 (vendor-advisory, Vendor Advisory)
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.