CVE-2023-40577

MEDIUM EPSS 42.8%
Published Aug 25, 20232y ago · Modified Jun 17, 20262w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Aug 25, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
42.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 2

VendorProductVersionRange
prometheusalertmanager0.25.0any
debiandebian_linux10.0any

References 2

  • github.com https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j
    Vendor Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html
    Mailing List

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.