Lucene search
K

CVE-2021-47765 AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC)

🗓️ 15 Jan 2026 15:52:08Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

AbsoluteTelnet 11.24 has a denial of service by inserting 1000 characters into the username field to crash the app.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-47765
15 Jan 202615:52
attackerkb
CNNVD
Celestial AbsoluteTelnet Buffer Error Vulnerability
15 Jan 202600:00
cnnvd
CVE
CVE-2021-47765
15 Jan 202615:52
cve
EUVD
EUVD-2026-2772
15 Jan 202615:52
euvd
NVD
CVE-2021-47765
15 Jan 202616:16
nvd
OSV
CVE-2021-47765
15 Jan 202616:16
osv
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
[
  {
    "vendor": "Celestialsoftware",
    "product": "AbsoluteTelnet",
    "versions": [
      {
        "version": "11.24",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

26 Jan 2026 15:55Current
CVSS 3.15.5
CVSS 46.7
EPSS0.00013
23