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Fusioncube Firmware CVE-2021-37130

HIGH
Path Traversal (CWE-22)
2021-10-27 psirt@huawei.com
7.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
CVE Published
Oct 27, 2021 - 01:15 nvd
HIGH 7.5

DescriptionNVD

There is a path traversal vulnerability in Huawei FusionCube 6.0.2.The vulnerability is due to that the software uses external input to construct a pathname that is intended to identify a directory that is located underneath a restricted parent directory, but the software does not properly validate the pathname. Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename.

AnalysisAI

There is a path traversal vulnerability in Huawei FusionCube 6.0.2.The vulnerability is due to that the software uses external input to construct a pathname that is intended to identify a directory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. There is a path traversal vulnerability in Huawei FusionCube 6.0.2.The vulnerability is due to that the software uses external input to construct a pathname that is intended to identify a directory that is located underneath a restricted parent directory, but the software does not properly validate the pathname. Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename. Affected products include: Huawei Fusioncube Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

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CVE-2021-37130 vulnerability details – vuln.today

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