CVE-2021-47764
MEDIUM EPSS 7.1%
Published Jan 15, 20265mo ago · Modified Jun 17, 20261w ago
6.7 CVSS 4.0
Published Jan 15, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X
Threat Intelligence
EPSS Exploit Probability
7.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| celestialsoftware | absolutetelnet | 11.24 | any |
References 2
- celestialsoftware.net https://www.celestialsoftware.net/
- exploit-db.com https://www.exploit-db.com/exploits/50511
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.