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CVE-2018-16515

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Date: September 18, 2018

Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.

Language: Python

Severity Score

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Improper Verification of Cryptographic Signature

CWE-347

Top Fix

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Upgrade Version

Upgrade to version 0.33.3.1

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CVSS v3

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privilegs Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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