CVE Catalog

CVE-2023-40577

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.57%

43th percentile - higher than 43% of all known CVEs

Summary

Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with permission to perform POST requests on the /api/v1/alerts endpoint could execute arbitrary JavaScript code on users of Prometheus Alertmanager.

Risk Assessment

Exploitation of this vulnerability could lead to the execution of malicious code on user devices, posing a serious threat to the security of organizational data and systems.

Recommendation

It is recommended to update Alertmanager to version 0.2.51 or later to mitigate this vulnerability.

Related vulnerabilities

Original NVD description (English source)

Alertmanager handles alerts sent by client applications such as the Prometheus server. An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager. This issue has been fixed in Alertmanager version 0.2.51.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS