Vulnerability DatabaseCVE-2020-27985
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CVE-2020-27985
Published:November 23, 2020
Updated:July 21, 2026
Security Onion v2 prior to 2.3.10 has an incorrect sudo configuration, which allows the administrative user to obtain root access without using the sudo password by editing and executing /home/<user>/SecurityOnion/setup/so-setup.
Related Resources (3)
https://github.com/Security-Onion-Solutions/securityonion/commit/b14670030349a2747a00ace665568ab5f51ac47b
https://s1gh.sh/cve-2020-27985-security-onion-local-privilege-escalation/
https://github.com/Security-Onion-Solutions/securityonion/releases
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
CWE-306
EPSS
Base Score:
0.52