Keycloak vulnerable to Improper Certificate Validation

中 5.4CVE-2020-35509 · GHSA-rpj2-w6fr-79hc · 23/08/2022 公開 · 17/06/2026 更新

要点

CVE-2020-35509 は org.keycloak:keycloak-core, keycloak (redhat) に影響する深刻度「中」 (CVSS 5.4) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.35%（全脆弱性の 28.8% より高い）。
対処：14.0.0 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
org.keycloak:keycloak-core Maven	`< 14.0.0`	`14.0.0`
keycloak redhat	`= 11.0.3= 12.0.0`	修正版なし

概要

keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.

This issue was partially fixed in version 13.0.1 and more completely fixed in version 14.0.0.

NVD の説明

A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.