CVE-2020-21527

CVSS V2 High 8.5 CVSS V3 High 7.7

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.

Overview

CVE ID
CVE-2020-21527

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-09-30T18:15:24

Last Modified Date
2020-10-07T19:24:30

Weakness Enumerations

CWE	URL
CWE-22	http://cwe.mitre.org/data/definitions/22.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:halo:halo:1.1.3:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:N/I:C/A:C

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
8.5

Severity
HIGH

Exploitability Score
8

Impact Score
9.2

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
NONE

Availability Impact
NONE

Base Score
7.7

Base Severity
HIGH

Exploitability Score
3.1

Impact Score
4

References

Reference URL	Reference Tags
https://github.com/halo-dev/halo/issues/422	Issue Tracking Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-21527
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21527

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:09:55				Added to TrackCVE
2022-12-04 23:32:37	2020-09-30T18:15Z	2020-09-30T18:15:24	CVE Published Date	updated
2022-12-04 23:32:37		2020-10-07T19:24:30	CVE Modified Date	updated
2022-12-04 23:32:37		Analyzed	Vulnerability Status	updated