OS command injection in Soliton Systems K.K FileZen
Priority LOW 38CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
FileZen (V3.0.0 to V4.2.7 and V5.0.0 to V5.0.2) allows a remote attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.
Why it matters now
EPSS 0.03862 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Soliton Systems K.K | FileZen | V3.0.0 to V4.2.7 and V5.0.0 to V5.0.2 | — | No fix listed | CNA |
- FileZen VendorSoliton Systems K.K Affected V3.0.0 to V4.2.7 and V5.0.0 to V5.0.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:soliton:filezen:*:*:*:*:*:*:*:* | 3.0.0 – 4.2.7; 5.0.0 – 5.0.2 | Vulnerable | Soliton Systems K.K |
- cpe:2.3:a:soliton:filezen:*:*:*:*:*:*:*:* Versions 3.0.0 – 4.2.7; 5.0.0 – 5.0.2 Vulnerable ·Soliton Systems K.K
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20655
- 2026-10-03 Alias added: GHSA-2w44-vr82-84c4
- 2026-10-29 EPSS moved to the 90th–95th percentile
References
More Soliton Systems K.K Filezen vulnerabilities
- TI-2026-20271 OS command injection in Soliton Systems K.K FileZen KEVCVSS 4.0HIGH 8.7
- TI-2020-04606 Path traversal in Soliton Systems K.K FileZen CVSS 3.1CRITICAL 9.8
- TI-2018-00649 FileZen V3.0.0 to V4.2.1 allows remote attackers to execute arbitrary OS commands via unspecified vectors. CVSS 3.0CRITICAL 9.8
- TI-2018-00648 Path traversal in Soliton Systems K.K FileZen CVSS 3.0HIGH 7.5
Sources
- CVE-2021-20655 · CVE Program
- CVE-2021-20655 · NVD
- FIRST EPSS
- GHSA-2w44-vr82-84c4 · GitHub Advisory Database · CC BY 4.0
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