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CVE-2021-29433

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductMatrix Sydent
PublishedApr 15, 2021
First seenApr 15, 2021
Weakness typeCWE-20Improper input validation

How to fix

Update
  • matrix sydent2.3.0 or later
  • matrix-sydent2.3.0 or later

Affected products

ProductAffected versionsFixed in
matrix sydentv < 2.3.02.3.0
matrix-sydentPyPIv < 2.3.02.3.0

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