What is CVE-2022-2837?

CVE-2022-2837 is a medium-severity vulnerability in Coredns.io Coredns, classified under CWE-923. CVSS score: 6.1/10. Published 2023-03-03.

How severe is CVE-2022-2837?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Coredns.io Coredns

CVE-2022-2837

A flaw was found in coreDNS. This flaw allows a malicious user to redirect traffic intended for external top-level domains (TLD) to a pod they control by creating projects and namespaces that match the TLD.

Published 2023-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.4th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Coredns.io Coredns
Coredns

Weakness classification (CWE)

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Mitigation, Issue Tracking)

Frequently asked questions

What is CVE-2022-2837?: CVE-2022-2837 is a medium-severity vulnerability in Coredns.io Coredns, classified under CWE-923. CVSS score: 6.1/10. Published 2023-03-03.
How severe is CVE-2022-2837?: Medium severity. CVSS v3 base score is 6.1 out of 10.