High severity · published Sep 30, 2020
CVE-2020-21527
There is an Arbitrary file deletion vulnerability in halo v1.1.3
7.7
CVSS
1.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
Halo · Halo
1.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-21527
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-21527
Issue Tracking
https://github.com/halo-dev/halo/issues/422
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