CVE-2020-5274
low-risk
Published 2020-03-30
In Symfony before versions 5.0.5 and 4.4.5, some properties of the Exception were not properly escaped when the `ErrorHandler` rendered it stacktrace. In addition, the stacktrace were displayed even in a non-debug configuration. The ErrorHandler now escape alls properties of the exception, and the stacktrace is only display in debug configuration. This issue is patched in symfony/http-foundation versions 4.4.5 and 5.0.5
Do I need to act?
-
0.27% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.6/10
Medium
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (6)
Third Party Advisory
https://github.com/symfony/symfony/security/advisories/GHSA-m884-279h-32v2
Third Party Advisory
https://github.com/symfony/symfony/security/advisories/GHSA-m884-279h-32v2
25
/ 100
low-risk
Severity
19/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal