CVE-2021-25742
CVSS v3
7.1
HIGH
EPSS Score
2.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2021-10-29
Frequently asked questions
What is CVE-2021-25742?
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.
Is CVE-2021-25742 actively exploited?
Active exploitation of CVE-2021-25742 has not been confirmed. Its EPSS score was 2.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-25742?
CVE-2021-25742 has a CVSS v3 base score of 7.1 (HIGH severity).
Is CVE-2021-25742 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).