File Manager
CVE-2021-20651
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Directory traversal vulnerability in ELECOM File Manager all versions allows remote attackers to create an arbitrary file or overwrite an existing file in a directory which can be accessed with the application privileges via unspecified vectors.
AnalysisAI
Directory traversal vulnerability in ELECOM File Manager all versions allows remote attackers to create an arbitrary file or overwrite an existing file in a directory which can be accessed with the. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Directory traversal vulnerability in ELECOM File Manager all versions allows remote attackers to create an arbitrary file or overwrite an existing file in a directory which can be accessed with the application privileges via unspecified vectors. Affected products include: Elecom File Manager.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
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