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.
History

Thu, 19 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:celestialsoftware:absolutetelnet:11.12:*:*:*:*:*:*:* cpe:2.3:a:celestialsoftware:absolutetelnet:*:*:*:*:*:*:*:*

Thu, 19 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
First Time appeared Celestialsoftware
Celestialsoftware absolutetelnet
CPEs cpe:2.3:a:celestialsoftware:absolutetelnet:11.12:*:*:*:*:*:*:*
Vendors & Products Celestialsoftware
Celestialsoftware absolutetelnet

Tue, 17 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 09 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Celestial Software
Celestial Software absolutetelnet
Vendors & Products Celestial Software
Celestial Software absolutetelnet

Fri, 06 Feb 2026 23:30:00 +0000

Type Values Removed Values Added
Description 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.
Title AbsoluteTelnet 11.12 - "license entry" Denial of Service
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-02-06T23:14:12.124Z

Updated: 2026-02-17T16:55:41.476Z

Reserved: 2026-02-06T12:29:29.674Z

Link: CVE-2020-37164

cve-icon Vulnrichment

Updated: 2026-02-10T20:33:51.796Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-07T00:15:56.787

Modified: 2026-02-19T19:24:08.323

Link: CVE-2020-37164

cve-icon Redhat

No data.