CVE Vulnerability

CVE-2020-21524

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

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/halo-dev/halo/issues/423 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:halo:halo:1.1.3:-:*:*:*:*:*:*
Information

Published : 2020-09-30 06:15

Updated : 2020-10-08 07:34

NVD link : CVE-2020-21524

Mitre link : CVE-2020-21524

Products Affected
No products.
CWE
CWE-611

Improper Restriction of XML External Entity Reference