CVE-2017-5543
Subrion CMS PHP Object Injection
9.8
CRITICAL
CVSS 3.1
EPSS 1.8%
Description
`includes/classes/ia.core.users.php` in Subrion CMS 4.0.5 allows remote attackers to conduct PHP Object Injection attacks via crafted serialized data in a salt cookie in a login request.
How to fix CVE-2017-5543
To remediate CVE-2017-5543, upgrade the affected package to a fixed version below.
- Packagist/intelliants/subrion—upgrade to 4.1.0 or later
Is CVE-2017-5543 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 4.0.5, < 4.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| 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 |