CVE-2020-11877 - Inadequate Encryption Strength

Severity

75%

Complexity

39%

Confidentiality

60%

** DISPUTED ** airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (IV) for AES-256 CBC encryption. NOTE: the vendor states that this IV is used only within unreachable code.

** DISPUTED ** airhost.exe in Zoom Client for Meetings 4.6.11 uses 3423423432325249 as the Initialization Vector (IV) for AES-256 CBC encryption. NOTE: the vendor states that this IV is used only within unreachable code.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 4 years ago

2020-04-17 16:15:00

Last updated 4 years ago

2020-05-06 19:15:00

Affected Software

Zoom Meetings 4.6.11 for Windows

4.6.11
windows

References

https://dev.io/posts/zoomzoo/

Exploit, Third Party Advisory

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