CVE-2024-53867

Source
https://cve.org/CVERecord?id=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
2026-10-21T02:51:46Z
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
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-497"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53867.json"
}
References

Affected packages

Git / github.com/element-hq/synapse

Affected ranges

Type
GIT
Repo
https://github.com/element-hq/synapse
Events
Database specific
Show details
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "1.113.0rc1"
                },
                {
                    "fixed":  "1.120.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "1.120.1"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53867.json"