9.8

CVE-2019-11325: sensiolabs symfony Improper Encoding or Escaping of Output

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2019-11325DEBIAN-CVE-2019-11325
Published 21-11-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-11325 is a critical (CVSS 9.8) Improper Encoding or Escaping of Output vulnerability in sensiolabs symfony. EPSS estimates a 3.35% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-11-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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/var-exporter.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.35%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.35% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • symfony< 4.3.8+dfsg-1
Sensiolabs1 product
  • symfony≥ 4.2.0, < 4.2.12 | ≥ 4.3.0, < 4.3.8
Ubuntu1 product
  • symfony< 4.3.8+dfsg-1ubuntu1

3 vendors · 3 products

References

8 links