CVE-2021-47765
AbsoluteTelnet 11.24 - 'Username' Denial of Service (PoC)
MEDIUM 6.7EPSS 0.2%
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.
- Affected
- Celestialsoftware · AbsoluteTelnet
- CVSS v4.0 VULNCHECK
- 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/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 - CVSS v3.1 NVD
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS
- 0.19% chance of exploitation in the next 30 days, 9th percentile
- Published
- 2026-01-15
- Updated
- 2026-10-01