Celestialsoftware Absolutetelnet vulnerabilities
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Published CVEs affecting Celestialsoftware Absolutetelnet: 5 record(s), with affected versions and fixes.cpe:2.3:a:celestialsoftware:absolutetelnet
CVE-2020-37166
Medium · 5.5
CWE-120 Feb 6, 2026
AbsoluteTelnet 11.12 - 'SSH2/username' Denial of Service
AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to crash the application. Attackers can overwrite the username field with a 1000-byte buffer, causing the application to become unresponsive and terminate.
CVE-2020-37165
Medium · 5.5
CWE-120 Feb 6, 2026
AbsoluteTelnet 11.12 - "license name" Denial of Service
AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it into the license name field to trigger an application crash.
CVE-2020-37164
Medium · 5.5
CWE-120 Feb 6, 2026
AbsoluteTelnet 11.12 - "license entry" Denial of Service
AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it into the license entry field to trigger an application crash.
CVE-2021-47765
Medium · 5.5
CWE-787 Jan 15, 2026
AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC)
AbsoluteTelnet 11.24 contains a denial of service vulnerability that allows local attackers to crash the application by manipulating username and error report fields. Attackers can trigger the crash by inserting 1000 characters into the username or email address fields, causing the application to become unresponsive.
CVE-2021-47764
Medium · 5.5
CWE-787 Jan 15, 2026
AbsoluteTelnet 11.24 - 'Phone' Denial of Service (PoC)
AbsoluteTelnet 11.24 contains a denial of service vulnerability that allows local attackers to crash the application by manipulating DialUp connection and license name fields. Attackers can generate a 1000-character payload and paste it into specific input fields to trigger application crashes and force unexpected termination.