CVE-2020-37164

6.7 mediumEPSS 0.2%

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

AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it into the license entry field to trigger an application crash.

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 16% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2026-02-07
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/48005
https://www.vulncheck.com/advisories/absolutetelnet-license-entry-denial-of-service

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