CVE-2020-37166AbsoluteTelnet 11.12 - 'SSH2/username' Denial of Service
Updated under an hour ago ()
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It affects Celestial Software AbsoluteTelnet and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to crash the application. Attackers can overwrite the username field with a 1000-byte buffer, causing the application to become unresponsive and terminate.
- CVSS
- 6.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-120
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Celestial Software AbsoluteTelnet celestial_software:absolutetelnet (from the name) | 11.12 | CNA record |
celestialsoftware absolutetelnet celestialsoftware:absolutetelnet | 11.12 | NVD |
References
- https://www.exploit-db.com/exploits/48010exploit, third-party-advisory, vdb-entry
- https://www.celestialsoftware.net/product
- https://www.vulncheck.com/advisories/absolutetelnet-sshusername-denial-of-servicethird-party-advisory, broken-link
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.