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cve[email protected]CVE-2021-29432
HistoryApr 15, 2021 - 9:15 p.m.

CVE-2021-29432

2021-04-1521:15:17
CWE-20
web.nvd.nist.gov
68
6
sydent
matrix
identity server
vulnerability
cve-2021-29432
nvd
security fix

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

5.7 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.9%

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

Vulners
NVD
Node
matrix-orgsydentRange<2.3.0
CPENameOperatorVersion
matrix:sydentmatrix sydentlt2.3.0

CNA Affected

[
  {
    "product": "sydent",
    "vendor": "matrix-org",
    "versions": [
      {
        "status": "affected",
        "version": "< 2.3.0"
      }
    ]
  }
]

Social References

More

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

5.7 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

30.9%