CVSS 3.1
5.7 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:NCVE-2021-29432
Medium (5.7) in matrix sydent. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in matrix-sydent 2.3.0.
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.
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- matrix:sydent
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-mh74-4m5g-fcjx | PyPI | matrix-sydent | <2.3.0 | 2.3.0 |
| PYSEC-2021-23 | PyPI | matrix-sydent | <2.3.0 | 2.3.0 |
References
- https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42
- https://github.com/matrix-org/sydent/releases/tag/v2.3.0
- https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx
- https://pypi.org/project/matrix-sydent/
- https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42