Vulnerability in Sensiolabs Symfony

CVE-2019-11325

An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8. The VarExport component incorrectly escapes strings, allowing some specially crafted ones to escalate to execution of arbitrary PHP code. This is related to symfony/v…

EPSS: 0.034 (87.4th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-11325?
CVE-2019-11325 is a critical-severity vulnerability in Sensiolabs Symfony, classified under Improper Encoding or Escaping of Output. CVSS score: 9.8/10. Published 2019-11-21.
How severe is CVE-2019-11325?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-11325 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.