CVE-2020-21524

Published Sep 30, 2020

Last updated 4 years ago

Overview

Description
There is a XML external entity (XXE) vulnerability in halo v1.1.3, The function of importing other blogs in the background(/api/admin/migrations/wordpress) needs to parse the xml file, but it is not used for security defense, This vulnerability can detect the intranet, read files, enable ddos attacks, etc. exp:https://github.com/halo-dev/halo/issues/423
Source
cve@mitre.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
9.1
Impact score
5.2
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Severity
CRITICAL

CVSS 2.0

Type
Primary
Base score
6.4
Impact score
4.9
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:P/I:N/A:P

Weaknesses

nvd@nist.gov
CWE-611

Social media

Hype score
Not currently trending

Configurations