NULL pointer dereference in F5 Big-Ip DNS
CVE-2022-41787
In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and 13.1.x before 13.1.5.1, when DNS profile is configured on a virtual server with DNS Express enabled, undisclosed DNS queries with DNSSEC can cause TMM to terminate.
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: 0.007 (50.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- F5 Big-Ip DNS — versions 17.0.x, 16.1.x, 15.1.x
- F5 Big-Ip Domain Name System
- F5 Big-Ip Local Traffic Manager
- F5 Big-Ip Ltm — versions 17.0.x, 16.1.x, 15.1.x
Weakness classification (CWE)
References
- support.f5.com/csp/article/K70569537 (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-41787?
- CVE-2022-41787 is a high-severity vulnerability in F5 Big-Ip DNS, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2022-10-19.
- How severe is CVE-2022-41787?
- High severity. CVSS v3 base score is 7.5 out of 10.