CVE-2021-26600
Type Confusion in ImpressCMS
9.8
CRITICAL
CVSS 3.1
EPSS 1.2%
Description
ImpressCMS before 1.4.3 has plugins/preloads/autologin.php type confusion with resultant Authentication Bypass (!= instead of !==).
How to fix CVE-2021-26600
To remediate CVE-2021-26600, upgrade the affected package to a fixed version below.
- Packagist/impresscms/impresscms—upgrade to 1.4.3 or later
Is CVE-2021-26600 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.4.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |