CVE Vulnerability

CVE-2020-26547

Monal before 4.9 does not implement proper sender verification on MAM and Message Carbon (XEP-0280) results. This allows a remote attacker (able to send stanzas to a victim) to inject arbitrary messages into the local history, with full control over the sender and receiver displayed to the victim.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/anurodhp/Monal/commits/develop Third Party Advisory
https://monal.im/blog/cve-2020-26547/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:monal:monal:*:*:*:*:*:iphone_os:*:*
Information

Published : 2021-02-01 02:15

Updated : 2021-02-05 04:16

NVD link : CVE-2020-26547

Mitre link : CVE-2020-26547

Products Affected
No products.
CWE
CWE-345