VDB-229868 · CVE-2022-39374 · GHSA-p9qp-c452-f9r7

matrix-synapse prior 1.68.0 denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in matrix-synapse. Affected by this issue is some unknown functionality. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2022-39374. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in matrix-synapse. It has been rated as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was presented 05/24/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-39374 since 09/02/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 234211 (Linux Distros Unpatched Vulnerability : CVE-2022-39374), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.68.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234211). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

matrix-synapse

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 234211
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-39374

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: matrix-synapse 1.68.0
Patch: github.com

Timelineinfo

09/02/2022 🔍
05/24/2023 +264 days 🔍
05/24/2023 +0 days 🔍
04/14/2025 +691 days 🔍

Sourcesinfo

Advisory: GHSA-p9qp-c452-f9r7
Status: Confirmed

CVE: CVE-2022-39374 (🔍)
GCVE (CVE): GCVE-0-2022-39374
GCVE (VulDB): GCVE-100-229868

Entryinfo

Created: 05/24/2023 21:22
Updated: 04/14/2025 21:29
Changes: 05/24/2023 21:22 (36), 06/17/2023 10:43 (3), 06/17/2023 10:49 (21), 04/14/2025 21:29 (17)
Complete: 🔍
Cache ID: 216::103