What is the CVSS score of CVE-2021-47889?

CVE-2021-47889 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2021-47889?

Yes, a public proof-of-concept exploit is available for CVE-2021-47889. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47889?

Within 24 hours: inventory all systems running SoftrosSpellChecker and isolate affected assets from production networks if operationally feasible; disable the service if not business-critical. Within 7 days: implement network segmentation to restrict access to the service, apply WAF rules to block exploitation attempts, and establish enhanced monitoring for suspicious activity. Within 30 days: evaluate alternatives to SoftrosSpellChecker, coordinate with the vendor on patch availability, or plan service replacement if patch timeline is unacceptable.

CVE-2021-47889

HIGH

Unquoted Search Path or Element (CWE-428)

2026-01-23 disclosure@vulncheck.com

RCE

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 26, 2026 - 15:03 vuln.today

Public exploit code

CVE Published

Jan 23, 2026 - 17:15 nvd

HIGH 7.8

DescriptionCVE.org

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.

AnalysisAI

SoftrosSpellChecker service contains a vulnerability that allows attackers to potentially execute arbitrary code (CVSS 7.8).

Technical ContextAI

exists in the SoftrosSpellChecker component. 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.

Affected ProductsAI

Product: SoftrosSpellChecker service. Component: SoftrosSpellChecker.

RemediationAI

Monitor vendor advisories for a patch.

CVE-2021-47889 vulnerability details – vuln.today

Back

CVE-2021-47889

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

Share

External POC / Exploit Code