VulnerabilityModified
CVE-2021-39273
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.
HIGH 8.8EPSS 2.67%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.67% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- xerosecurity/sn1per
- Source
- cve@mitre.org
References
- https://github.com/1N3/Sn1per/issues/358Exploit, Third Party Advisory
- https://github.com/1N3/Sn1per/releasesRelease Notes, Third Party Advisory
- https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274Exploit, Third Party Advisory
- https://github.com/1N3/Sn1per/issues/358Exploit, Third Party Advisory
- https://github.com/1N3/Sn1per/releasesRelease Notes, Third Party Advisory
- https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.