Vulnerability · Published Apr 17, 2020 · Assigned by mitre

CVE-2020-11877

High 7.5

In plain English

A high-severity weak randomness in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.6%top 24.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

Weakness: CWE-330 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

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