CVE-2019-18889
CRITICALCVSS 9.8/10EPSS 33.25%
Last modified
CVE-2019-18889 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 33.25% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sensiolabs | Symfony | >= 3.4.0, <= 3.4.34 |
| Sensiolabs | Symfony | >= 4.2.0, <= 4.2.11 |
| Sensiolabs | Symfony | >= 4.3.0, <= 4.3.7 |
| Fedoraproject | Fedora | 31 |
References
- https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes
- https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-18889?
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.
How severe is CVE-2019-18889?
CVE-2019-18889 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 33.25% probability of exploitation in the next 30 days.
How do I fix CVE-2019-18889?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-18889?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST