Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-34416

30
FAUCET Score

CVE-2021-34416 is a critical remote command injection vulnerability (CVSS 9.8) affecting several Zoom on-premise connector products, including Meeting, Recording, and Virtual Room Connectors, due to insufficient input validation in their network address administrative web portals. This flaw allows web portal administrators to execute arbitrary commands on the underlying on-premise image. While the vulnerability is severe and easily exploitable over the network with low attack complexity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.6.360.20210325CPE matchmatch criteria
cpe:2.3:a:zoom:meeting_connector:*:*:*:*:*:*:*:*
< 3.8.44.20210326CPE matchmatch criteria
cpe:2.3:a:zoom:recording_connector:*:*:*:*:*:*:*:*
< 4.4.6752.20210326CPE matchmatch criteria
cpe:2.3:a:zoom:virtual_room_connector:*:*:*:*:*:*:*:*
< 2.5.5495.20210326CPE matchmatch criteria
cpe:2.3:a:zoom:virtual_room_connector_load_balancer:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 61st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

explore.zoom.us / en/trust/security/security-bulletin
Vendor Advisory