CVE-2025-53021
Moodle Session Fixation allows unauthenticated users to hijack sessions via sesskey parameter
4.2
MEDIUM
CVSS 3.1
EPSS 0.26%
描述
A session fixation vulnerability in Moodle 3.x through 3.11.18 allows unauthenticated attackers to hijack user sessions via the sesskey parameter. The sesskey can be obtained without authentication and reused within the OAuth2 login flow, resulting in the victim's session being linked to the attacker's. Successful exploitation results in full account takeover. According to the Moodle Releases page, "Bug fixes for security issues in 3.11.x ended 11 December 2023." NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
如何修補 CVE-2025-53021
要修補 CVE-2025-53021,請將受影響套件升級到下列已修補版本。
- —升級至 4.1.10 或更新版本
- —升級至 4.0.0 或更新版本
CVE-2025-53021 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- >= 3.0.0, < 4.1.10
- >= 3.0.0, < 4.0.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.2 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N |