CVE-2020-36995 Mocha Telnet Lite for iOS 4.2 - 'User' Denial of Service
Attackers can crash the Mocha Telnet Lite iOS application by inputting excessive characters into the User configuration field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-36995?
CVE-2020-36995 is a medium-severity denial of service vulnerability in telnet-lite Mocha Telnet Lite for iOS, published on 29 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Mocha Telnet Lite for iOS 4.2 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the user configuration input. Attackers can overwrite the 'User' field with 350 bytes of repeated characters to trigger an application crash and prevent normal functionality.
Weakness: CWE-120
Which versions are affected by CVE-2020-36995?
How do I fix CVE-2020-36995?
No fix has been published for CVE-2020-36995 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-36995 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36995 exists.
Sources
Also known as GHSA-8q7q-h33w-ffj5.