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MitreCVE-2020-11877

HistoryApr 17, 2020 - 4:15 p.m.

CVE-2020-11877

2020-04-1716:15:14

CWE-330

mitre

web.nvd.nist.gov

zoom client

aes-256 cbc

cve-2020-11877

encryption

security vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

56.9%

JSON

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

Affected configurations

Nvd

Node

zoommeetingsMatch4.6.11windows

VendorProductVersionCPE
zoommeetings4.6.11cpe:2.3:a:zoom:meetings:4.6.11:*:*:*:*:windows:*:*

Vendor	Product	Version	CPE
zoom	meetings	4.6.11	cpe:2.3:a:zoom:meetings:4.6.11:::::windows::

References

dev.io/posts/zoomzoo/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

56.9%

JSON

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