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TI-2020-17020 Aliases CVE-2020-27985

Security Onion v2 prior to 2.3.10 has an incorrect sudo configuration, which allows the…

Priority LOW 35CWE-306Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

EPSS 0.0053 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:securityonionsolutions:security_onion:*:*:*:*:*:*:*:*2.0.0 to before 2.3.10VulnerableSecurityonionsolutions
  • cpe:2.3:a:securityonionsolutions:security_onion:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.3.10 Vulnerable ·Securityonionsolutions

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27985

References

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences