CVE-2020-5274: sensiolabs symfony
Vulnerability summary
CVE-2020-5274 is a medium (CVSS 5.5) vulnerability in sensiolabs symfony. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 67.6% of scored vulnerabilities.
Timeline
- 30-03-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · DebianEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NDiffers
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NDiffers
EPSS trend
Probability
1.20%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.20% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- symfony< 4.4.8-1
Sensiolabs1 product
- symfony≥ 4.4.0, < 4.4.4 | ≥ 5.0.0, < 5.0.4
Symfony1 product
- symfony≥ 4.0.0, < 4.4.5 | ≥ 5.0.0, < 5.0.5
3 vendors · 3 products
References
4 links- github.com/symfony/symfony/security/advisories/GHSA-m884-279h-32v2X Refsource CONFIRMThird Party Advisory
- github.com/symfony/symfony/commit/629d21b800a15dc649fb0ae9ed7cd9211e7e45dbX Refsource MISCPatchThird Party Advisory
- github.com/symfony/symfony/commit/cf80224589ac05402d4f72f5ddf80900ec94d5adX Refsource MISCPatchThird Party Advisory