CVE-2021-29433 MEDIUM

CVE-2021-29433: Denial of service (via resource exhaustion) due to improper input validation

Vendor Matrix-Org
Product sydent
Weakness CWE-20 · Input validation
Published April 15, 2021
Last update August 3, 2024
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 15, 2021 CVE published
August 3, 2024 Record updated