VulnerabilityModified
CVE-2021-29432
A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address.
MEDIUM 5.7EPSS 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. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be used to construct plausible phishing emails, for example. This issue has been fixed in 4469d1d.
- CVSS 3.1
- 5.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- matrix/sydent
- Source
- security-advisories@github.com
References
- https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42Patch, Third Party Advisory
- https://github.com/matrix-org/sydent/releases/tag/v2.3.0Release Notes, Third Party Advisory
- https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjxPatch, Third Party Advisory
- https://pypi.org/project/matrix-sydent/Product, Third Party Advisory
- https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42Patch, Third Party Advisory
- https://github.com/matrix-org/sydent/releases/tag/v2.3.0Release Notes, Third Party Advisory
- https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjxPatch, Third Party Advisory
- https://pypi.org/project/matrix-sydent/Product, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.