Detections
Analytics

SCA: security update for matrix-synapse (GHSA-cppw-2mf8-qpm5)

high Tenable Self-Hosted Container Security Plugin ID 414005

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over
 /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected
 servers. (CVE-2019-18835)

See Also

https://github.com/advisories/GHSA-cppw-2mf8-qpm5

Plugin Details

Severity: High

ID: 414005

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-18835

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.8

Threat Score: 6.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 11/7/2019

Reference Information

CVE: CVE-2019-18835

cwe: CWE-347