What is CVE-2021-31822?

CVE-2021-31822 is a high-severity vulnerability in Linux Kernel, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2021-11-24.

How severe is CVE-2021-31822?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux Kernel

CVE-2021-31822

When Octopus Tentacle is installed on a Linux operating system, the systemd service file permissions are misconfigured. This could lead to a local unprivileged user modifying the contents of the systemd service file to gain privileged access.

EPSS: 0.002 (11.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux Linux_kernel
Octopus Tentacle
Octopus Deploy Tentacle — versions 3.15.4, unspecified

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

security@octopus.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-31822?: CVE-2021-31822 is a high-severity vulnerability in Linux Kernel, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2021-11-24.
How severe is CVE-2021-31822?: High severity. CVSS v3 base score is 7.8 out of 10.