CVE-2021-47765
AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC)
- State
- Published
- Severity
- 6.7 Medium
- Published
- Jan 15, 2026
- Updated
- Oct 1, 2026
- Reserved
- Jan 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.7 Medium | 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 | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
AbsoluteTelnetCelestialsoftware |
|
References
- ExploitDB-50510exploit
- Vendor Homepageproduct
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