Critical severity · published Sep 30, 2020
CVE-2020-21522
An issue was discovered in halo V1.1.3
9.8
CVSS
1.5%
EPSS
No
On KEV
Description
An issue was discovered in halo V1.1.3. A Zip Slip Directory Traversal Vulnerability in the backend,the attacker can overwrite some files, such as ftl files, .bashrc files in the user directory, and finally get the permissions of the operating system.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% 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-2020-21522
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-21522
Exploit
https://github.com/halo-dev/halo/issues/418
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