CVE-2020-11876

mediumpriority · track · 31OT risk · elevatedEPSS 0.017 · 77 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.71% (77th) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondaryexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-327USprimaryCWE-254USCWE-798US

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Zoom Video Communications, Inc. Zoom Client for Meetings≤ 4.6.11fstec_bduRU
zoom meetings= 4.6.11nvdUScpe:2.3:a:zoom:meetings:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-04-17modified 2026-06-17

related (918)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2023-22518US	critical9.8OT critical	100.0% (100th)	KEV	2023-10-31
All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to re…
CVE-2023-34039US	critical9.8OT high	67.2% (99th)	Exploit	2023-08-29
Aria Operations for Networks contains an Authentication Bypass vulnerability due to a lack of unique cryptographic key generation. A malicious actor with network access to Aria Ope…
CVE-2016-2183US	high7.5OT high	94.7% (100th)	Exploit	2016-09-01
The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other protocols and products, have a birthday bound of approximately four billion blocks, which mak…
CVE-2016-6602US	critical9.8OT high	55.7% (99th)	Exploit	2017-01-23
ZOHO WebNMS Framework 5.2 and 5.2 SP1 use a weak obfuscation algorithm to store passwords, which allows context-dependent attackers to obtain cleartext passwords by leveraging acce…
CVE-2014-8687US	critical9.8OT high	43.8% (99th)	Exploit	2017-06-08
Seagate Business NAS devices with firmware before 2015.00322 allow remote attackers to execute arbitrary code with root privileges by leveraging use of a static encryption key to c…

+913 more

references (4)

External citations — patches, advisories, analysis.

https://dev.io/posts/zoomzoo/cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2020-11876 cnnvd
https://dev.io/posts/zoomzoo/enisa_euvd
https://dev.io/posts/zoomzoo/ExploitThird Party Advisorynvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan