Improper Certificate Validation Affecting amazon-cloudwatch-agent package, versions <0:1.300062.1-1.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.29% (22nd percentile)

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  • Snyk IDSNYK-AMZN2-AMAZONCLOUDWATCHAGENT-14882656
  • published7 Jan 2026
  • disclosed3 Dec 2025

Introduced: 3 Dec 2025

CVE-2025-61727  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 amazon-cloudwatch-agent to version 0:1.300062.1-1.amzn2 or higher.
This issue was patched in ALAS2-2025-3120.

NVD Description

Note: Versions mentioned in the description apply only to the upstream amazon-cloudwatch-agent package and not the amazon-cloudwatch-agent package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not prevent a leaf certificate from claiming the SAN *.example.com.

CVSS Base Scores

version 3.1