Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.
AnalysisAI
An issue was discovered in GNU Hurd before 0.9 20210404-9. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access. Affected products include: Gnu Hurd. Version information: before 0.9.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
An issue was discovered in GNU Hurd before 0.9 20210404-9. Rated high severity (CVSS 7.8), this vulnerability is low att
An issue was discovered in GNU Hurd before 0.9 20210404-9. Rated high severity (CVSS 7.5), this vulnerability is remotel
An issue was discovered in GNU Hurd before 0.9 20210404-9. Rated high severity (CVSS 7.0). Public exploit code available
Same technique Information Disclosure
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External POC / Exploit Code
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