CVE-2018-11385
Symfony Session Fixation Vulnerability
8.1
HIGH
CVSS 3.1
EPSS 0.90%
Description
An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. A session fixation vulnerability within the "Guard" login feature may allow an attacker to impersonate a victim towards the web application if the session id value was previously known to the attacker.
How to fix CVE-2018-11385
To remediate CVE-2018-11385, upgrade the affected package to a fixed version below.
- —upgrade to 3.4.12+dfsg-1 or later
- —upgrade to 2.7.48 or later
- —upgrade to 2.7.48 or later
- —upgrade to 2.7.48 or later
Is CVE-2018-11385 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 3.4.12+dfsg-1
- >= 2.7.0, < 2.7.48
- >= 2.7.0, < 2.7.48
- >= 2.7.0, < 2.7.48
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |