VDB
CVE-2021-25742
CVE-2021-25742
PUBLISHED
CVSS 7.6 HIGH
Reported by kubernetes · Published October 29, 2021
github.com/kubernetes/ingress-nginx is fixed in v0.49.1 and 0.49.1 (Go Modules)
A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| github.com/kubernetes/ingress-nginx | Go Modules | v0.49.1, 0.49.1 |
| kubectl-ingress-nginx | Arch Linux | 1.0.4-1 |
| nginx-ingress-controller | Bitnami | 1.0.1, 0.49.1 |
| ingress-nginx | kubernetes | 0.49.1 |
| Kubernetes ingress-nginx | Kubernetes | unspecified, 1.0.0, 0.49.0 |
| nginx-ingress-controller | Bitnami | 1.0.1, 0.49.1 |
Risk scores
CVSS 3.1
7.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | Kubernetes ingress-nginx | unspecified, next of 0.49.0, unspecified |
| arch | kubectl-ingress-nginx | 0 |
| Kubernetes | Kubernetes ingress-nginx | *, 0.49.0, * |
| github.com | kubernetes/ingress-nginx | 0, 1.0.0 |
Timeline
- Oct 29, 2021 EPSS Score (30 in total, the first dated here)
- Oct 29, 2021 CVE Published
- Aug 13, 2022 PoC Published (5 in total, the first dated here)
- Mar 17, 2026 Security Advisory
- Aug 8, 2026 Coalition ESS Score
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2021-25742
vulnetix vdb fixes CVE-2021-25742Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-25742/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-25742 advisory