Resource exhaustion in F5 Big-Ip
CVE-2023-23552
On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.0 before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP Advanced WAF or BIG-IP ASM security policy is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- F5 Big-Ip — versions 17.0.0, 16.1.0, 15.1.0
- F5 Big-Ip Advanced Web Application Firewall
- F5 Big-Ip Application Security Manager
Weakness classification (CWE)
Public proof-of-concept exploits
References
- my.f5.com/manage/s/article/K17542533 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-23552?
- CVE-2023-23552 is a high-severity vulnerability in F5 Big-Ip, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-02-01.
- How severe is CVE-2023-23552?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-23552 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.