Synapse Matrix has a partial room state leak via Sliding Sync
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| element-hq | synapse | affected |
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| Vendor | Product | Versions |
|---|---|---|
| Element-hq | Synapse | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-3430 | 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. |
Github GHSA |
GHSA-56w4-5538-8v8h | Synapse Matrix has a partial room state leak via Sliding Sync |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.442% probability within 30 days)
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| Metrics |
epss
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epss
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| Metrics |
ssvc
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| Description | 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. | |
| Title | Synapse Matrix has a partial room state leak via Sliding Sync | |
| Weaknesses | CWE-497 | |
| References |
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| Metrics |
cvssV3_1
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