CVE-2024-53867

Source
https://nvd.nist.gov/vuln/detail/CVE-2024-53867
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53867.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-53867
Aliases
Downstream
Related
Published
2024-12-03T16:52:01Z
Modified
2025-10-22T18:44:52.219497Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Synapse Matrix has a partial room state leak via Sliding Sync
Details

Synapse is an open-source Matrix homeserver. The Sliding Sync feature on Synapse versions between 1.113.0rc1 and 1.120.0 can leak partial room state changes to users no longer in a room. Non-state events, like messages, are unaffected. This vulnerability is fixed in 1.120.1.

Database specific
{
    "cwe_ids": [
        "CWE-497"
    ]
}
References

Affected packages

Git / github.com/element-hq/synapse

Affected ranges

Type
GIT
Repo
https://github.com/element-hq/synapse
Events

Affected versions

v1.*

v1.113.0
v1.113.0rc1
v1.114.0
v1.114.0rc1
v1.114.0rc2
v1.114.0rc3
v1.115.0
v1.115.0rc1
v1.115.0rc2
v1.116.0
v1.116.0rc1
v1.116.0rc2
v1.117.0
v1.117.0rc1
v1.118.0
v1.118.0rc1
v1.119.0
v1.119.0rc1
v1.119.0rc2
v1.120.0
v1.120.0rc1