VulnerabilityModified

CVE-2021-31822

When Octopus Tentacle is installed on a Linux operating system, the systemd service file permissions are misconfigured.

HIGH 7.8EPSS 0.21%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.21% probability · 11th percentile
CISA KEV: Not listed
Weakness: CWE-276
Affected: octopus/tentacle
Source: security@octopus.com

References

https://advisories.octopus.com/adv/2021-11---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-31822%29.2283732993.html
https://advisories.octopus.com/adv/2021-11---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-31822%29.2283732993.html

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.