Deserialization in Sensiolabs Symfony

CVE-2019-10912

In Symfony before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, it is possible to cache objects that may contain bad user input. On serialization or unserialization, this could result in the deletion of files that the current user has access to. This is related to symfony/cache and symfony/phpunit-bridge.

Vulnerability class: Insecure Deserialization

EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-10912?
CVE-2019-10912 is a high-severity vulnerability in Sensiolabs Symfony, classified under Deserialization of Untrusted Data. CVSS score: 7.1/10. Published 2019-05-16.
How severe is CVE-2019-10912?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2019-10912 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.