In short
- CVE-2021-29433 is a MEDIUM (CVSS 4.3) vulnerability affecting matrix-sydent, sydent (matrix).
- Chance of exploitation in the next 30 days (EPSS): 0.93%, higher than 60.5% of all vulnerabilities.
- Fix: update to 2.3.0 or later.
Description
Impact
Missing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion.
Patches
Fixed by 3175fd3.
For more information
If you have any questions or comments about this advisory, email us at [email protected].
NVD description
Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist.
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