NoteBurner 2.35 Name/Code buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in NoteBurner 2.35. It has been declared as critical. This affects an unknown part. The manipulation of the argument Name/Code results in buffer overflow. This vulnerability was named CVE-2021-47798. The attack needs to be approached locally. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in NoteBurner 2.35. Affected is some unknown processing. The manipulation of the argument Name/Code with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

NoteBurner 2.35 contains a buffer overflow vulnerability in the license code input field that allows attackers to crash the application. Attackers can generate a 6000-byte payload and paste it into the 'Name' and 'Code' fields to trigger an application crash.

The weakness was presented by Achilles as 50154. The advisory is shared for download at exploit-db.com. This vulnerability is traded as CVE-2021-47798 since 01/14/2026. The exploitability is told to be easy. The attack needs to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download 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 vulnerability database at Exploit-DB (50154). Once again VulDB remains the best source for vulnerability data.

Productinfo

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: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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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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Exploit-DB: 🔒

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/14/2026 CVE reserved
01/16/2026 +2 days Advisory disclosed
01/16/2026 +0 days VulDB entry created
01/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 50154
Researcher: Achilles
Status: Not defined

CVE: CVE-2021-47798 (🔒)
GCVE (CVE): GCVE-0-2021-47798
GCVE (VulDB): GCVE-100-341508
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2026 09:42
Changes: 01/16/2026 09:42 (79)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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