CVE-2021-3827
ECP SAML binding bypasses authentication flows
8.1
HIGH
CVSS 3.1
EPSS 0.87%
描述
### Description A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user's credentials. The highest threat from this vulnerability is to confidentiality and integrity.
如何修補 CVE-2021-3827
要修補 CVE-2021-3827,請將受影響套件升級到下列已修補版本。
- —升級至 18.0.0 或更新版本
CVE-2021-3827 正在被利用嗎?
低 — EPSS 為 0.9%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 18.0.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |