CVE-2020-37166

MEDIUM EPSS 11.6%
Published Feb 7, 20264mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Feb 7, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

Description

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 Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/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 None
Scope X

Threat Intelligence

EPSS Exploit Probability
11.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-120

Affected Products 1

VendorProductVersionRange
celestialsoftwareabsolutetelnet11.12any

References 3

  • celestialsoftware.net https://www.celestialsoftware.net/
    Product
  • exploit-db.com https://www.exploit-db.com/exploits/48010
    ExploitThird Party AdvisoryVDB Entry
  • vulncheck.com https://www.vulncheck.com/advisories/absolutetelnet-sshusername-denial-of-service
    Broken Link

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.