CVE-2020-37165 MEDIUM

CVE-2020-37165: AbsoluteTelnet 11.12 - "license name" Denial of Service

Vendor Celestial Software
Product AbsoluteTelnet
Weakness CWE-120
Published February 6, 2026
Last update February 17, 2026

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 6, 2026 CVE published
February 17, 2026 Record updated