CVE-2021-39274
9.8
CRITICAL · CVSS 3.1 · EPSS 3.1% (pctl 87)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set during installation, allowing an unprivileged user to modify the main application and the application configuration file. This results in arbitrary code execution with root privileges.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.12% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-276 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-08-19 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| xerosecurity | sn1per |
References
→ the Explorer · watch your stack · NVD