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CVE-2020-26547

—
CVSS 3.1
9.8 critical
EPSS
<1%p44
Published
()
Modified
Description

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.

Vendors
monal
Products
monal
Weakness
CWE-345
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.5%)

In the news

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