Denial of Service Vulnerability in Mocha Telnet Lite for iOS
CVE-2020-36995

7.5NONE

Key Information:

Vendor

Telnet-lite

Status
Mocha Telnet Lite For iOS
Vendor
CVE Published:
29 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36995?

Mocha Telnet Lite for iOS version 4.2 is susceptible to a denial of service vulnerability due to improper handling of user input in the configuration settings. An attacker can exploit this weakness by entering an excessive amount of data, specifically 350 bytes of repeated characters in the 'User' field, leading to an application crash and disruption of normal functionality. This vulnerability poses a significant risk to users relying on the application for terminal emulation.

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Deploy the Patch

Affected Version(s)

Mocha Telnet Lite for iOS 4.2

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-2020-36995 - Proof of Concept

References

https://www.exploit-db.com/exploits/48728
exploit
https://apps.apple.com/us/app/telnet-lite/id286893976
product
https://www.vulncheck.com/advisories/mocha-telnet-lite-fo...
third-party-advisory

CVSS V4

Score:
Severity:
NONE
Confidentiality:
None
Integrity:
None
Availability:
Low
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

Luis Martinez
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