Home/CVE/Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.
CVE

CVE-2023-5044

Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.

Code injection via nginx.ingress.kubernetes.io/permanent-redirect annotation.

HIGH · CVSS 7.6 EPSS 0.10611
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

1
kubernetes ingress-nginx< 1.9.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go k8s.io/ingress-nginx HIGH fixed in 1.9.0
◈

Detection Rules (IDS/IPS)

2
et-openET WEB_SERVER Kubernetes Ingress NGINX Controller permanent-redirect Annotation Injection (CVE-2023-5044)web-application-attack
et-openET WEB_SERVER Kubernetes Ingress NGINX Controller configuration-snippet Annotation Injection (CVE-2023-5044)web-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

7.6
HIGH · CVSS v3.1 · jordan@liggitt.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD25 Oct 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2023/10/25/3Mailing ListThird Party Advisory
https://github.com/kubernetes/ingress-nginx/issues/10572Issue TrackingMitigationVendor Advisory
https://groups.google.com/g/kubernetes-security-announce/c/ukuYYvRNel0Mailing ListMitigation
https://security.netapp.com/advisory/ntap-20240307-0012/
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