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I. Basic Information for CVE-2025-53021
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
会话固定
Source: NVD (National Vulnerability Database)
Vulnerability Title
Moodle 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle是Moodle开源的一套免费的电子学习软件平台,也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 3.x至3.11.18版本存在授权问题漏洞,该漏洞源于会话固定漏洞允许未经验证的攻击者通过sesskey参数劫持用户会话。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
MoodleMoodle 3 ~ 3.11.18 -
II. Public POCs for CVE-2025-53021
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III. Intelligence Information for CVE-2025-53021
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IV. Related Vulnerabilities
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