What is CVE-2020-5274?

CVE-2020-5274 is a medium-severity vulnerability in Sensiolabs Symfony, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.6/10. Published 2020-03-30.

How severe is CVE-2020-5274?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Information disclosure in Sensiolabs Symfony

CVE-2020-5274

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

EPSS: 0.012 (64.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Sensiolabs Symfony
Symfony — versions >= 4.0.0, < 4.4.5, >= 5.0.0, < 5.0.5

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5274?: CVE-2020-5274 is a medium-severity vulnerability in Sensiolabs Symfony, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.6/10. Published 2020-03-30.
How severe is CVE-2020-5274?: Medium severity. CVSS v3 base score is 4.6 out of 10.