sandboxie-plus Sandboxie 5.49.7 improper validation of specified quantity in input

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in sandboxie-plus Sandboxie 5.49.7. Impacted is an unknown function. Performing a manipulation results in improper validation of specified quantity in input. This vulnerability was named CVE-2021-47831. The attack needs to be approached locally. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in sandboxie-plus Sandboxie 5.49.7. This affects an unknown functionality. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. CWE is classifying the issue as CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. This is going to have an impact on availability. The summary by CVE is:

Sandboxie 5.49.7 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the container folder input field. Attackers can paste a large buffer of repeated characters into the Sandbox container folder setting to trigger an application crash.

The weakness was presented by Erick Galindo as 49844. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2021-47831 since 01/14/2026. The exploitability is told to be easy. Attacking locally is a requirement. Technical details are unknown but a public exploit is available.

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 (49844). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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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: 5.4
VulDB Meta Temp Score: 5.2

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

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

CVSSv2info

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

Exploitinginfo

Class: Improper validation of specified quantity in input
CWE: CWE-1284 / CWE-703
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: 49844
Researcher: Erick Galindo
Status: Not defined

CVE: CVE-2021-47831 (🔒)
GCVE (CVE): GCVE-0-2021-47831
GCVE (VulDB): GCVE-100-341643
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/16/2026 20:30
Changes: 01/16/2026 20:30 (78)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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