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cvelistGitHub_MCVELIST:CVE-2023-40577
HistoryAug 25, 2023 - 12:12 a.m.

CVE-2023-40577 Alertmanager UI is vulnerable to stored XSS via the /api/v1/alerts endpoint

2023-08-2500:12:13
CWE-79
GitHub_M
www.cve.org
alertmanager
ui
vulnerability
fixed
version
0.2.51

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.0%

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.

CNA Affected

[
  {
    "vendor": "prometheus",
    "product": "alertmanager",
    "versions": [
      {
        "version": "<= 0.25.0",
        "status": "affected"
      }
    ]
  }
]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.0%