VulnerabilityModified
CVE-2021-29433
A patch for the vulnerability is in version 2.3.0.
MEDIUM 4.3EPSS 0.93%
Does this matter?
Lower severity and a low EPSS score (0.93%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-400
- Affected
- matrix/sydent
- Source
- security-advisories@github.com
References
- https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1daPatch, Third Party Advisory
- https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553Patch, Third Party Advisory
- https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1daPatch, Third Party Advisory
- https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.