CVE-2020-11877 Weak cryptography in n/a

High 7.5 Published Updated

Zoom Client uses a static initialization vector for AES encryption, potentially weakening data confidentiality, though the vendor claims the code is unreachable.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-11877?

CVE-2020-11877 is a high-severity vulnerability in n/a, published on 17 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

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

Weakness: CWE-330

Which versions are affected by CVE-2020-11877?

It affects 1 product.

Products include Zoom Meetings.

How do I fix CVE-2020-11877?

No fix has been published for CVE-2020-11877 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-11877 being exploited?

There is no known exploitation of CVE-2020-11877 in the wild and no public exploit code.

Sources

Also known as GHSA-23m4-p6hq-h69h.

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