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CVE-2021-47765

🗓️ 15 Jan 2026 15:52:08Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

AbsoluteTelnet 11.24 suffers local DoS by inserting 1000 characters into username, crashing the app.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-47765
15 Jan 202615:52
attackerkb
CNNVD
Celestial AbsoluteTelnet Buffer Error Vulnerability
15 Jan 202600:00
cnnvd
Cvelist
CVE-2021-47765 AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC)
15 Jan 202615:52
cvelist
EUVD
EUVD-2026-2772
15 Jan 202615:52
euvd
NVD
CVE-2021-47765
15 Jan 202616:16
nvd
Positive Technologies
PT-2026-3041
15 Jan 202600:00
ptsecurity
Vulnrichment
CVE-2021-47765 AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC)
15 Jan 202615:52
vulnrichment
NVD
Vulners
[
  {
    "vendor": "Celestialsoftware",
    "product": "AbsoluteTelnet",
    "versions": [
      {
        "version": "11.24",
        "status": "affected"
      }
    ]
  }
]

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26 Jan 2026 16:15Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.5
CVSS 46.7
EPSS0.00013
SSVC
3