telnet-lite Mocha Telnet Lite 4.2 on iOS User buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in telnet-lite Mocha Telnet Lite 4.2 on iOS. The affected element is an unknown function. This manipulation of the argument User causes buffer overflow. This vulnerability appears as CVE-2020-36995. The attack requires local access. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in telnet-lite Mocha Telnet Lite 4.2 on iOS. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation of the argument User with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented by Luis Martinez as 48728. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2020-36995 since 01/27/2026. The exploitation appears to be easy. An attack has to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/27/2026 CVE reserved
01/29/2026 +2 days Advisory disclosed
01/29/2026 +0 days VulDB entry created
01/29/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 48728
Researcher: Luis Martinez
Status: Not defined

CVE: CVE-2020-36995 (🔒)
GCVE (CVE): GCVE-0-2020-36995
GCVE (VulDB): GCVE-100-343393
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/29/2026 16:02
Changes: 01/29/2026 16:02 (81)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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