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CVE-2021-47765

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CVE-2021-47765

Published: Jan 15, 2026

Modified: Jan 26, 2026

PUBLISHED

CVSS v3.1

5.5

MEDIUM

Description

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.

VendorProductVersions

Celestialsoftware

AbsoluteTelnet

affected
11.24

Weaknesses (CWE)

CWE-787

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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