CVE-2020-11877

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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

** EN DISPUTA ** El archivo airhost.exe en Zoom Client for Meetings versión 4.6.11, usa 3423423432325249 como el Vector de Inicialización (IV) para el cifrado AES-256 CBC. NOTA: el proveedor declara que este IV se usa solo dentro de un código inalcanzable.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2020-04-17 CVE Reserved
2020-04-17 CVE Published
2023-08-21 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-330: Use of Insufficiently Random Values

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://dev.io/posts/zoomzoo	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Zoom Search vendor "Zoom"		Meetings Search vendor "Zoom" for product "Meetings"				4.6.11 Search vendor "Zoom" for product "Meetings" and version "4.6.11"		windows		Affected