Vulnerability Details : CVE-2020-11500
Potential exploit
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.
Products affected by CVE-2020-11500
- cpe:2.3:a:zoom:meetings:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11500
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11500
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-11500
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11500
-
https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/
Move Fast & Roll Your Own Crypto: A Quick Look at the Confidentiality of Zoom Meetings - The Citizen LabExploit;Third Party Advisory
-
https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/
Zoom’s Flawed Encryption Linked to ChinaPress/Media Coverage;Third Party Advisory
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