CVE-2021-29432
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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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.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | matrix-sydent | <2.3.0 | 2.3.0 |
| PyPI | matrix-sydent | <4469d1d42b2b1612b70638224c07e19623039c42||<2.3.0 | 4469d1d42b2b1612b70638224c07e19623039c42 |
References
- https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx
- https://nvd.nist.gov/vuln/detail/CVE-2021-29432
- https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42
- https://github.com/matrix-org/sydent/releases/tag/v2.3.0
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-sydent/PYSEC-2021-23.yaml
- https://pypi.org/project/matrix-sydent
- https://pypi.org/project/matrix-sydent/
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.