RCE in Sensiolabs Symfony
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.332 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.332 · newest: 0.332 · change: 0.000
Affected products
- Sensiolabs Symfony
- Fedoraproject Fedora — versions 31
Weakness classification (CWE)
Public proof-of-concept exploits
References
- symfony.com/blog/symfony-4-3-8-released (Release Notes)
- github.com/symfony/symfony/releases/tag/v4.3.8 (Release Notes)
- symfony.com/blog/cve-2019-18889-forbid-serializing-abstractadapter-and-tagaware… (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-18889?
- CVE-2019-18889 is a critical-severity vulnerability in Sensiolabs Symfony, classified under Code Injection. CVSS score: 9.8/10. Published 2019-11-21.
- How severe is CVE-2019-18889?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-18889 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.