Denial of Service In AbsoluteTelnet 11.12 Vulnerability
CVE-2020-37164

6.7MEDIUM

Key Information:

Vendor

Celestial Software

Status
Absolutetelnet
Vendor
CVE Published:
6 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37164?

AbsoluteTelnet 11.12 is susceptible to a denial of service vulnerability, allowing local attackers to crash the application. By inputting an oversized license name, attackers can send a payload of up to 2500 characters into the license entry field, leading to application instability and crashes. This vulnerability highlights the need for strict input validation to prevent such exploits.

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Affected Version(s)

AbsoluteTelnet 11.12

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37164 - Proof of Concept

References

https://www.exploit-db.com/exploits/48005
exploit
https://www.celestialsoftware.net/
product
https://www.vulncheck.com/advisories/absolutetelnet-licen...
third-party-advisory

CVSS V4

Score:
6.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

chuyreds
JSON
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