SEPTEMBER 20, 2026
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Case File

CVE-2020-5255

LOW · CVSS 2.6 EPSS 1.30% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-03-30 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 2.6. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-5255
Severity
LOW
CVSS
2.6
EPSS
1.30%

Original NVD Description

In Symfony before versions 4.4.7 and 5.0.7, when a `Response` does not contain a `Content-Type` header, affected versions of Symfony can fallback to the format defined in the `Accept` header of the request, leading to a possible mismatch between the response's content and `Content-Type` header. When the response is cached, this can prevent the use of the website by other users. This has been patched in versions 4.4.7 and 5.0.7.

Related CVEs

Other vulnerabilities affecting the same vendor(s)