Vulnerability in F5 nginx Ingress Controller
CVE-2021-23055
On version 2.x before 2.0.3 and 1.x before 1.12.3, the command line restriction that controls snippet use with NGINX Ingress Controller does not apply to Ingress objects. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- F5 nginx Ingress Controller
- nginx Ingress Controller — versions 2.x before 2.0.3 and 1.x before 1.12.3
Weakness classification (CWE)
References
- support.f5.com/csp/article/K01051452 (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-23055?
- CVE-2021-23055 is a medium-severity vulnerability in F5 nginx Ingress Controller, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.5/10. Published 2022-04-21.
- How severe is CVE-2021-23055?
- Medium severity. CVSS v3 base score is 6.5 out of 10.