CVE-2019-18889

moderate-risk
Published 2019-11-21

An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. Serializing certain cache adapter interfaces could result in remote code injection. This is related to symfony/cache.

Do I need to act?

~
2.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Fedoraproject Sensiolabs

References (8)

Release Notes https://github.com/symfony/symfony/releases/tag/v4.3.8
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Vendor Advisory https://symfony.com/blog/cve-2019-18889-forbid-serializing-abstractadapter-and-t...
Release Notes https://symfony.com/blog/symfony-4-3-8-released
Release Notes https://github.com/symfony/symfony/releases/tag/v4.3.8
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Vendor Advisory https://symfony.com/blog/cve-2019-18889-forbid-serializing-abstractadapter-and-t...
Release Notes https://symfony.com/blog/symfony-4-3-8-released
45
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 6/34 · Minimal
Exposure 7/34 · Low