What’s Vulnerable › Vulnerabilities

CVE-2020-11877

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-17 · updated 2026-06-17
• Weakness: CWE-330

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

• Zoom Workplace: 4.6.11

References

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

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