CVE-2023-40577 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Prometheus	Alertmanager	0.25.0
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-79

References

https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5pVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00011.htmlMailing List
https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5pVendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00011.htmlMailing List

FAQ

What is CVE-2023-40577?

CVE-2023-40577 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2023-40577?

CVE-2023-40577 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-40577?

Check the references section above for vendor advisories and patch information. Affected products include: Prometheus Alertmanager, Debian Debian Linux.