What is the CVSS score of CVE-2020-36995?

CVE-2020-36995 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2020-36995?

Yes, a public proof-of-concept exploit is available for CVE-2020-36995. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2020-36995?

Within 24 hours: Identify all devices running Mocha Telnet Lite 4.2 and assess business-critical dependencies. Within 7 days: Implement usage restrictions, disable the application on high-risk devices, or transition to alternative telnet clients with active security support. Within 30 days: Complete migration to patched or alternative solutions and establish a vendor patch monitoring process for this application.

CVE-2020-36995

HIGH

Classic Buffer Overflow (CWE-120)

2026-01-29 disclosure@vulncheck.com

Denial Of Service

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Jan 29, 2026 - 16:31 vuln.today

Public exploit code

CVE Published

Jan 29, 2026 - 15:16 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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. [CVSS 7.5 HIGH]

Technical ContextAI

Classified as CWE-120 (Classic Buffer Overflow). 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.

Affected ProductsAI

Mocha Telnet Lite for iOS 4.2 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the user confi

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.

CVE-2020-36995 vulnerability details – vuln.today

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CVE-2020-36995

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

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External POC / Exploit Code