CVE-2020-11500

Public Exploit

Description

Zoom Client for Meetings through 4.6.9 uses the ECB mode of AES for video and audio encryption. Within a meeting, all participants use a single 128-bit key.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Third-Party Advisory citizenlab.ca Third-Party Advisory theintercept.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/ exploit third party advisory
https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/ press/media coverage third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-11500?
CVE-2020-11500 has been scored as a high severity vulnerability.
How to fix CVE-2020-11500?
To fix CVE-2020-11500, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-11500 being actively exploited in the wild?
It is possible that CVE-2020-11500 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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