Lucene search

K
cve[email protected]CVE-2019-5885
HistoryMar 21, 2019 - 4:01 p.m.

CVE-2019-5885

2019-03-2116:01:05
CWE-330
web.nvd.nist.gov
35
cve-2019-5885
matrix synapse
remote attackers
impersonation
security vulnerability

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.5 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

79.2%

Matrix Synapse before 0.34.0.1, when the macaroon_secret_key authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users.

Affected configurations

NVD
Node
matrixsynapseRange<0.34.0.1
Node
fedoraprojectfedoraMatch28
OR
fedoraprojectfedoraMatch29
CPENameOperatorVersion
matrix:synapsematrix synapselt0.34.0.1

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.5 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

79.2%