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CVE-2021-29432

Malicious users could control the content of invitation emails

Published: Apr 15, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-20
5.3MEDIUM
NVD MITRE
EPSS Score
0.9%
Top 42.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-20NVD-CWE-noinfo

Affected Products

matrix-org
oss-project·DEaka synapse, matrix appservice irc, matrix-js-sdk
sydent
Communications / messaging-chat
matrix
oss-project·GBaka matrix irc bridge, javascript sdk, synapse
sydentOn-prem
Communications / messaging-chat
PyPI
package-ecosystem
matrix-sydent
OSS Libraries

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
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References

https://pypi.org/project/matrix-sydent/
pypi.org
https://github.com/matrix-org/sydent/releases/tag/v2.3.0
github.com
https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx
github.com
and 4 more references View all →

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