CVE-2022-2837 | BDVDB-2026-196630 Detail

coreDNS

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-923
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

References#

https://bugzilla.redhat.com/show_bug.cgi?id=2118543

Exploit#

No public exploit known

History#

Version 12023-03-03Record published in the CVE List.
Version 22025-03-07Most recent update recorded in the CVE List.

Published

Published: 2023-03-03
Last modified: 2025-03-07

Vendor information

Vendor: Not stated
Product: coreDNS

Score

6.1 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 33.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.1 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).