Home > Vulnerability Database > CVE-2018-12423

Mend.io Vulnerability Database

New vulnerability? Tell us about it!

CVE-2018-12423

Good to know:

Date: June 14, 2018

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.

Language: Python

Severity Score

7.5

Related Resources (7)

Url: https://bugs.debian.org/901549

Url: https://github.com/matrix-org/matrix-doc/issues/1304

Url: https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-12423

Url: https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2

Url: https://github.com/matrix-org/synapse

Url: https://www.mend.io/vulnerability-database/CVE-2018-12423

Severity Score

7.5

Weakness Type (CWE)

Improper Access Control

CWE-284

Insufficient Information

NVD-CWE-noinfo

Top Fix

Upgrade Version

Upgrade to version 0.31.2

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	HIGH
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

Do you need more information?

Contact Us