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Halo CVE-2020-21527

HIGH
Path Traversal (CWE-22)
2020-09-30 cve@mitre.org
7.7
CVSS 3.1 · NVD
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Severity by source

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

1
CVE Published
Sep 30, 2020 - 18:15 nvd
HIGH 7.7

DescriptionNVD

There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal.

AnalysisAI

There is an Arbitrary file deletion vulnerability in halo v1.1.3. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, 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. There is an Arbitrary file deletion vulnerability in halo v1.1.3. A backup function in the background allows a user, when deleting their backup files, to delete any files on the system through directory traversal. Affected products include: Halo.

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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CVE-2020-21527 vulnerability details – vuln.today

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