CVE-2023-40577

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub_MCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 76%
VendorProductVersion
prometheusalertmanager
0.25.0
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
prometheus-alertmanager
bullseye
unimportant
bookworm
unimportant
sid
0.27.0+ds-3
fixed
trixie
0.27.0+ds-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
prometheus-alertmanager
oracular
not-affected
noble
not-affected
mantic
ignored
lunar
ignored
jammy
Fixed 0.23.0-4ubuntu0.2+esm1
released
focal
Fixed 0.15.3+ds-3ubuntu1.2
released
bionic
Fixed 0.6.2+ds-3ubuntu0.1+esm1
released
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j
https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html
https://github.com/prometheus/alertmanager/security/advisories/GHSA-v86x-5fm3-5p7j
https://lists.debian.org/debian-lts-announce/2023/10/msg00011.html