CVE-2021-23055
Last modified
CVE-2021-23055 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Nginx Ingress Controller | >= 1.0.0, < 1.12.3 |
| F5 | Nginx Ingress Controller | >= 2.0.0, < 2.0.3 |
References
- https://support.f5.com/csp/article/K01051452Mitigation, Vendor Advisory
- https://support.f5.com/csp/article/K01051452Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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