Nidesoft 3GP Video Converter 2.6.18 License Registration License Code stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Nidesoft 3GP Video Converter 2.6.18. It has been rated as critical. This affects an unknown part of the component License Registration. The manipulation of the argument License Code leads to stack-based overflow. This vulnerability is documented as CVE-2020-36971. The attack needs to be performed locally. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Nidesoft 3GP Video Converter 2.6.18 and classified as critical. This issue affects an unknown function of the component License Registration. The manipulation of the argument License Code with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Nidesoft 3GP Video Converter 2.6.18 contains a local stack buffer overflow vulnerability in the license registration parameter. Attackers can craft a malicious payload and paste it into the 'License Code' field to execute arbitrary code on the system.

The weakness was released by Felipe Winsnes as 49034. The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2020-36971 since 01/27/2026. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known.

The exploit is available 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.

The vulnerability is also documented in the databases at Exploit-DB (49034) and EUVD (EUVD-2020-30878). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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: 6.8
VulDB Meta Temp Score: 6.6

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

CNA Base Score: 8.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/27/2026 CVE reserved
01/28/2026 +1 days Advisory disclosed
01/28/2026 +0 days VulDB entry created
01/29/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: 49034
Researcher: Felipe Winsnes
Status: Not defined

CVE: CVE-2020-36971 (🔒)
GCVE (CVE): GCVE-0-2020-36971
GCVE (VulDB): GCVE-100-343301
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/28/2026 20:49
Updated: 01/29/2026 14:38
Changes: 01/28/2026 20:49 (81), 01/29/2026 14:38 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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