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I. Basic Information for CVE-2023-42820
Vulnerability Information
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Vulnerability Title
Random seed leakage in Jumpserver
Source: NVD (National Vulnerability Database)
Vulnerability Description
JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local authentication are also not affected. Users are advised to upgrade to either version 2.28.19 or to 3.6.5. There are no known workarounds or this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Jumpserver 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jumpserver是中国杭州飞致云信息科技有限公司的一款开源堡垒机。 JumpServer 存在信息泄露漏洞，该漏洞源于将随机数种子暴露给 API 造成的，可能会允许重放随机生成的验证码，从而导致密码重置。
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
jumpserverjumpserver >= 2.24, < 2.28.19 -
II. Public POCs for CVE-2023-42820
#POC DescriptionSource LinkShenlong Link
1CVE-2023-42820https://github.com/C1ph3rX13/CVE-2023-42820POC Details
2JumpServer https://github.com/Startr4ck/cve-2023-42820POC Details
3Nonehttps://github.com/Threekiii/Awesome-POC/blob/master/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/JumpServer%20%E9%9A%8F%E6%9C%BA%E6%95%B0%E7%A7%8D%E5%AD%90%E6%B3%84%E9%9C%B2%E5%AF%BC%E8%87%B4%E8%B4%A6%E6%88%B7%E5%8A%AB%E6%8C%81%E6%BC%8F%E6%B4%9E%20CVE-2023-42820.mdPOC Details
4https://github.com/vulhub/vulhub/blob/master/jumpserver/CVE-2023-42820/README.mdPOC Details
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III. Intelligence Information for CVE-2023-42820
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IV. Related Vulnerabilities
Same product: jumpserver
Same vendor: jumpserver
Same weakness: CWE-200
V. Comments for CVE-2023-42820

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