CVE-2020-5397mediumCWE-352

CVE-2020-5397: fallo de gravedad media en Spring Framework

CSRF Attack via CORS Preflight Requests with Spring MVC or Spring WebFlux

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear Spring Framework+ Monitorear org.springframework:spring-webmvc

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 5.3epss 2.6%
Spring Framework, versions 5.2.x prior to 5.2.3 are vulnerable to CSRF attacks through CORS preflight requests that target Spring MVC (spring-webmvc module) or Spring WebFlux (spring-webflux module) endpoints. Only non-authenticated endpoints are vulnerable because preflight requests should not include credentials and therefore requests should fail authentication. However a notable exception to this are Chrome based browsers when using client certificates for authentication since Chrome sends TLS client certificates in CORS preflight requests in violation of spec requirements. No HTTP body can be sent or received as a result of this attack.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Productos afectados
Spring · Spring Framework
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