In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon…
Priority MEDIUM 43CWE-276Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to arbitrary code execution with root privileges.
Why it matters now
EPSS 0.02671 85th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xerosecurity:sn1per:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Xerosecurity |
- cpe:2.3:a:xerosecurity:sn1per:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Xerosecurity
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39273
- 2026-10-03 Alias added: GHSA-6h4h-9xp4-x824
References
More Xerosecurity Sn1per vulnerabilities
- TI-2021-16655 In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-39273 · CVE Program
- CVE-2021-39273 · NVD
- FIRST EPSS
- GHSA-6h4h-9xp4-x824 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences