CVE-2019-12300
Improper Authentication in Buildbot
9.8
CRITICAL
CVSS 3.1
EPSS 0.47%
Description
Buildbot before 1.8.2 and 2.x before 2.3.1 accepts a user-submitted authorization token from OAuth and uses it to authenticate a user. If an attacker has a token allowing them to read the user details of a victim, they can login as the victim.
How to fix CVE-2019-12300
To remediate CVE-2019-12300, upgrade the affected package to a fixed version below.
- Debian/buildbot—upgrade to 2.0.1-2 or later
- —upgrade to 1.8.2 or later
- —upgrade to 1.8.2 or later
Is CVE-2019-12300 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.0.1-2
- from 0, < 1.8.2
- from 0, < 1.8.2, >= 2.0.1, < 2.3.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |