High severity · published Nov 24, 2021
CVE-2021-31822
When Octopus Tentacle is installed on a Linux operating system, the systemd service file permissions are misconfigured
7.8
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
Tentacle · Octopus
3.15.4 before 6.1.1116 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-31822
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31822
advisories.octopus.com
https://advisories.octopus.com/adv/2021-11---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-31822%29.2283732993.html
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