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EUVD-2021-21078

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 19 Views

Zoom Client for Meetings for Windows before version 5.5.4 fails to verify file signatures, risking malware.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-34420
12 Nov 202117:00
–attackerkb
bdu_fstec
BDU FSTEC
Zoom Client for Meetings Windows Real-time Audio Video Conference
18 Oct 202200:00
–bdu_fstec
circl
Circl
CVE-2021-34420
12 Nov 202102:38
–circl
cnnvd
CNNVD
Zoom Client 数据伪造问题漏洞
11 Nov 202100:00
–cnnvd
cve
CVE
CVE-2021-34420
11 Nov 202122:59
–cve
cvelist
Cvelist
CVE-2021-34420 Zoom Windows installation executable signature bypass
11 Nov 202122:59
–cvelist
kaspersky
Kaspersky
KLA12443 RCE vulnerability in Zoom
9 Nov 202100:00
–kaspersky
ncsc
NCSC
Vulnerabilities fixed in Zoom
15 Nov 202100:00
–ncsc
nvd
NVD
CVE-2021-34420
11 Nov 202123:15
–nvd
openvas
OpenVAS
Zoom Client < 5.5.4 Signature Bypass Vulnerability (ZSB-21016) - Windows
26 Nov 202100:00
–openvas
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "bfa374b0-5b32-33ef-8fe7-ccca3d3560e6",
        "vendor": {
          "name": "Zoom Video Communications Inc"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "17998c46-20af-363a-aea7-f9ee9581603e",
        "product": {
          "name": "Zoom Client for Meetings for Windows"
        },
        "product_version": "unspecified <5.5.4"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.14.7 - 7.4
CVSS 24.3
EPSS0.00407
19