Detections
Analytics
SCA: security update for matrix-synapse (GHSA-v56r-hwv5-mxg6)
high Tenable Self-Hosted Container Security Plugin ID 421243
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which,
when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability
has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.
(CVE-2025-30355)
See Also
Plugin Details
Severity: High
ID: 421243
Version: Revision 1.18
Type: Local
Family: SCA Checks
Published: 3/27/2025
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Medium
Score: 5
Percentile: 94.65
Vendor
Vendor Severity: High
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2025-30355
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 3/27/2025
Vulnerability Publication Date: 3/27/2025
Reference Information
CVE: CVE-2025-30355
cwe: CWE-20