CVEvulnerability
CVE-2021-29432
5.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-04-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 5.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-20
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.
Affected configurations
• matrix sydent (< 2.3.0)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42 Patch, Third Party Advisory
- https://github.com/matrix-org/sydent/releases/tag/v2.3.0 Release Notes, Third Party Advisory
- https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx Patch, Third Party Advisory
- https://pypi.org/project/matrix-sydent/ Product, Third Party Advisory
- https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42 Patch, Third Party Advisory
- https://github.com/matrix-org/sydent/releases/tag/v2.3.0 Release Notes, Third Party Advisory
- https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx Patch, Third Party Advisory
- https://pypi.org/project/matrix-sydent/ Product, Third Party Advisory