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veracodeVeracode Vulnerability DatabaseVERACODE:43414
HistorySep 28, 2023 - 7:14 a.m.

Improper Authorization

2023-09-2807:14:11
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
8
improper authorization
forge read receipts
security flaw
room access

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.3%

Synapse is vulnerable to Improper Authorization. The vulnerability is due to a flaw that allowed users to forge read receipts for any event. The attacker can mark any event as read even if he/she was not in the room.

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.3%