PT-2026-3041 · Unknown · Absolutetelnet

Yehia Elghaly · Published 2026-01-15 · Updated 2026-01-21 · CVE-2021-47765

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions AbsoluteTelnet version 11.24

Description AbsoluteTelnet version 11.24 contains a denial of service issue that allows local attackers to crash the application. This is achieved by manipulating the username and error report fields. Specifically, inserting 1000 characters into the username or email address fields causes the application to become unresponsive. The vulnerable fields are used during application operation.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, limit the number of characters allowed in the username and email address fields.

Exploit

Fix

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-47765

Affected Products

Absolutetelnet

References · 6

• 🔥 https://exploit-db.com/exploits/50510 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47765 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47765 · Vendor Advisory
• https://twitter.com/CVEnew/status/2011926103481561588 · Twitter Post
• https://celestialsoftware.net · Note
• https://t.me/cveNotify/149487 · Telegram Post