CVE-2025-46804— Screen 5.0.0 and older versions allow file existence tests when installed setuid-root
Quick assessment
Affected
CVE-2025-46804
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
GNU Screen是美国GNU社区的一个应用软件。提供一个物理终端上获得多个虚拟终端的效果。 GNU Screen 5.0.0及之前版本存在安全漏洞，该漏洞源于setuid-root权限下运行导致信息泄露，可能允许非特权用户推断路径信息。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local SystemI. Basic Information for CVE-2025-46804
Vulnerability Information
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Vulnerability Title
Screen 5.0.0 and older versions allow file existence tests when installed setuid-root
Source: CVE Program / CVE List V5
Vulnerability Description
A minor information leak when running Screen with setuid-root privileges allows unprivileged users to deduce information about a path that would otherwise not be available.
Affected are older Screen versions, as well as version 5.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
GNU Screen 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Screen是美国GNU社区的一个应用软件。提供一个物理终端上获得多个虚拟终端的效果。 GNU Screen 5.0.0及之前版本存在安全漏洞，该漏洞源于setuid-root权限下运行导致信息泄露，可能允许非特权用户推断路径信息。
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)
II. Public POCs for CVE-2025-46804
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Vendor Advisories for CVE-2025-46804 (1)
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V. Comments for CVE-2025-46804
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