CVE-2019-18889

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.55% Top 20%
Vendor Advisory fedoraproject.org Vendor Advisory symfony.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://symfony.com/blog/symfony-4-3-8-released release notes
https://github.com/symfony/symfony/releases/tag/v4.3.8 release notes
https://symfony.com/blog/cve-2019-18889-forbid-serializing-abstractadapter-and-tagawareadapter-instances vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UED22BOXTL2SSFMGYKA64ZFHGLLJG3EA/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-18889?
CVE-2019-18889 has been scored as a critical severity vulnerability.
How to fix CVE-2019-18889?
To fix CVE-2019-18889, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-18889 being actively exploited in the wild?
It is possible that CVE-2019-18889 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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