CyberSec.Space Logo
Back to CVE Browser

CVE-2021-47764

MEDIUM
5.5
CVSS Severity Score
EPSS Score0.1870%
EPSS Percentile18.22th
PublishedJan 15, 2026
Last ModifiedJan 26, 2026

Vulnerability Description

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.

Affected Platforms (CPE)

📦
Celestialsoftware

Absolutetelnet

= 11.24

References & Advisories

🔗 https://www.celestialsoftware.net/
🔗 https://www.exploit-db.com/exploits/50511

Related Vulnerabilities

CVE-2003-109010.0

Buffer overflow in AbsoluteTelnet before 2.12 RC10 allows remote attackers to execute arbitrary code via a long window title.

CVE-2020-371646.2

AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying ...

CVE-2020-371656.2

AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying ...

CVE-2020-371666.2

AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to cr...