
CVE-2021-21424 – Prevent user enumeration using Guard or the new Authenticator-based Security
https://notcve.org/view.php?id=CVE-2021-21424
13 May 2021 — Symfony is a PHP framework for web and console applications and a set of reusable PHP components. The ability to enumerate users was possible without relevant permissions due to different handling depending on whether the user existed or not when attempting to use the switch users functionality. We now ensure that 403s are returned whether the user exists or not if a user cannot switch to a user or if the user does not exist. The patch for this issue is available for branch 3.4. Symfony es un framework PHP ... • https://github.com/symfony/symfony/commit/2a581d22cc621b33d5464ed65c4bc2057f72f011 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-203: Observable Discrepancy •

CVE-2020-15094 – RCE in Symfony
https://notcve.org/view.php?id=CVE-2020-15094
02 Sep 2020 — In Symfony before versions 4.4.13 and 5.1.5, the CachingHttpClient class from the HttpClient Symfony component relies on the HttpCache class to handle requests. HttpCache uses internal headers like X-Body-Eval and X-Body-File to control the restoration of cached responses. The class was initially written with surrogate caching and ESI support in mind (all HTTP calls come from a trusted backend in that scenario). But when used by CachingHttpClient and if an attacker can control the response for a request bei... • https://github.com/symfony/symfony/commit/d9910e0b33a2e0f993abff41c6fbc86951b66d78 • CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer •