Vulnerability in Softros Systems Lan Messenger
CVE-2021-47889
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (2.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Softros Systems Lan Messenger — versions 9.6.4
Weakness classification (CWE)
References
- ExploitDB-49588 (exploit)
- Vendor Homepage (product)
- VulnCheck Advisory: Softros LAN Messenger 9.6.4 - 'SoftrosSpellChecker' Unquoted Service Path (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47889?
- CVE-2021-47889 is a high-severity vulnerability in Softros Systems Lan Messenger, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-23.
- How severe is CVE-2021-47889?
- High severity. CVSS v3 base score is 7.8 out of 10.