CVE Tools
Sign in

CVE-2024-52805

Published: Dec 3, 2024Updated: Aug 26, 2025 Sources: CVE List NVD GHSACWE-770
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.7%
Top 51.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Synapse allows unsupported content types to lead to memory exhaustion

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-770

Affected Products

matrix-synapsePyPIOSS Libraries
synapsematrix
On-premWeb App
Communications / messaging-chat
synapseelement-hq
Mixed
Communications / messaging-chat
pypipackage-ecosystemOSS Libraries
matrixoss-projectGBCommunicationsaka synapse, matrix irc bridge, javascript sdk
element-hqoss-projectCommunications

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2
github.com
https://nvd.nist.gov/vuln/detail/CVE-2024-52805
nvd.nist.gov
https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518
github.com
and 2 more references View all →

Timeline

Published
Dec 3, 2024
Last Updated
Aug 26, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2024-52805 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows