CVE-2023-5044
CVE-2023-5044 is a high-severity vulnerability in Kubernetes Ingress-nginx with a CVSS 3.x base score of 7.6. Its EPSS exploit-prediction score of 57% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 7.6)
- EPSS exploit prediction: 57% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Kubernetes Ingress-nginx
- Published:
- Last modified:
Description
Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.
Frequently asked questions
- What is CVE-2023-5044?
- Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.
- How severe is CVE-2023-5044?
- CVE-2023-5044 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
- Is CVE-2023-5044 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 57% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-5044?
- CVE-2023-5044 affects Kubernetes Ingress-nginx. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-5044?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-5044 published?
- CVE-2023-5044 was published on 2023-10-25 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2023/10/25/3
- https://github.com/kubernetes/ingress-nginx/issues/10572
- https://groups.google.com/g/kubernetes-security-announce/c/ukuYYvRNel0
- https://security.netapp.com/advisory/ntap-20240307-0012/
Affected products (1)
- cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*
More vulnerabilities in Kubernetes Ingress-nginx
- CVE-2026-3288 — High (CVSS 8.8): A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/rewrite-target` Ingress…
- CVE-2022-4886 — High (CVSS 8.8): Ingress-nginx `path` sanitization can be bypassed with `log_format` directive.
- CVE-2023-5043 — High (CVSS 7.6): Ingress nginx annotation injection causes arbitrary command execution.
- CVE-2021-25748 — High (CVSS 7.6): A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use a…
- CVE-2021-25746 — High (CVSS 7.6): A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use…
- CVE-2021-25745 — High (CVSS 7.6): A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the…
All CVEs affecting Kubernetes Ingress-nginx →
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