Detections
Analytics
SCA: security update for matrix-synapse (GHSA-7565-cq32-vx2x)
medium Tenable Self-Hosted Container Security Plugin ID 411826
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users
were able to forge read receipts for any event (if they knew the room ID and event ID). Note that the
users were not able to view the events, but simply mark it as read. This could be confusing as clients
will show the event as read by the user, even if they are not in the room. This issue has been patched in
version 1.93.0. Users are advised to upgrade. There are no known workarounds for this issue.
(CVE-2023-42453)
See Also
Plugin Details
Severity: Medium
ID: 411826
Version: Revision 1.7
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: Low
Score: 1.2
Percentile: 0.01
Vendor
Vendor Severity: Medium
CVSS v2
Risk Factor: Medium
Base Score: 4
Temporal Score: 3
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS Score Source: CVE-2023-42453
CVSS v3
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.8
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.3
Threat Score: 1.7
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 9/26/2023
Vulnerability Publication Date: 9/26/2023
Reference Information
CVE: CVE-2023-42453
cwe: CWE-285