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CVE-2021-39273

HIGHCVSS 8.8/10EPSS 2.67%

Last modified

CVE-2021-39273 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.67% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.67%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
XerosecuritySn1per9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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. This leads to arbitrary code execution with root privileges.
How severe is CVE-2021-39273?
CVE-2021-39273 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.67% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39273?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39273?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST