CVE-2018-10657High· 7.5▾ Abyssal⚠ Exploited in the wild0dayMatrix Synapse DoS
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 41.3 · likelihood 0.3 · exploitation 25
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Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
1.5%
1.5% → 1.5%
Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2<sup>63</sup> - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.
matrix-synapse < 0.28.1Upgrade to a patched release:
matrix-synapse 0.28.1Connected by shared product, vendor, weakness, or advisory.
CVE-2023-43796Medium· 5.3Synapse vulnerable to leak of remote user device information
CVE-2023-42453Low· 3.1matrix-synapse vulnerable to improper validation of receipts allows forged read receipts
CVE-2023-45129Medium· 4.9matrix-synapse vulnerable to denial of service due to malicious server ACL events
CVE-2023-41335Low· 3.7matrix-synapse vulnerable to temporary storage of plaintext passwords during password changes
CVE-2021-21274Medium· 4.3Denial of service attack via .well-known lookups
CVE-2023-32682Medium· 5.4Synapse has improper checks for deactivated users during login