CVE-2021-47765

6.7 mediumEPSS 0.2%

Medium (6.7) in celestialsoftware absolutetelnet. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

CVSS 3.1

5.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2026-01-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

celestialsoftware:absolutetelnet

References

https://www.celestialsoftware.net/
https://www.exploit-db.com/exploits/50510

Check your stack JSON