Softros Systems LAN Messenger 9.6.4 SoftrosSpellChecker Service unquoted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Softros Systems LAN Messenger 9.6.4. This affects an unknown part of the file C:\Program Files (x86)\Softros Systems\Softros Messenger\Spell Checker\ of the component SoftrosSpellChecker Service. Such manipulation leads to unquoted search path. This vulnerability is traded as CVE-2021-47889. An attack has to be approached locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Softros Systems LAN Messenger 9.6.4. It has been rated as critical. Affected by this issue is an unknown part of the file C:\Program Files (x86)\Softros Systems\Softros Messenger\Spell Checker\ of the component SoftrosSpellChecker Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. Using CWE to declare the problem leads to CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Softros LAN Messenger 9.6.4 contains an unquoted service path vulnerability in the SoftrosSpellChecker service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Softros Systems\Softros Messenger\Spell Checker\' to inject malicious executables and escalate privileges.

The weakness was shared by Victor Mondragón as 49588. The advisory is available at exploit-db.com. This vulnerability is handled as CVE-2021-47889 since 01/18/2026. The exploitation is known to be difficult. Local access is required to approach this attack. Technical details as well as a public exploit are known. This vulnerability is assigned to T1574.009 by the MITRE ATT&CK project.

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 vulnerability database at Exploit-DB (49588). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.0
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Unquoted search path
CWE: CWE-428 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

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

01/18/2026 CVE reserved
01/23/2026 +5 days Advisory disclosed
01/23/2026 +0 days VulDB entry created
01/23/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 49588
Researcher: Victor Mondragón
Status: Not defined

CVE: CVE-2021-47889 (🔒)
GCVE (CVE): GCVE-0-2021-47889
GCVE (VulDB): GCVE-100-342674
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/23/2026 18:38
Changes: 01/23/2026 18:38 (82)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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