What is CVE-2020-11876?

CVE-2020-11876 is a high-severity vulnerability in Zoom Meetings, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2020-04-17.

How severe is CVE-2020-11876?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-11876 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Zoom Meetings

CVE-2020-11876

airhost.exe in Zoom Client for Meetings 4.6.11 uses the SHA-256 hash of 0123425234234fsdfsdr3242 for initialization of an OpenSSL EVP AES-256 CBC context. NOTE: the vendor states that this initialization only occurs within unreachable code

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.017 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Zoom Meetings — versions 4.6.11
N/a — versions n/a

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-11876?: CVE-2020-11876 is a high-severity vulnerability in Zoom Meetings, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2020-04-17.
How severe is CVE-2020-11876?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-11876 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.