What is the CVSS score of CVE-2018-6476?

CVE-2018-6476 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 4.5%.

Is there a public PoC exploit available for CVE-2018-6476?

Yes, a public proof-of-concept exploit is available for CVE-2018-6476. Prioritise patching immediately. EPSS: 4.5%.

Superantispyware CVE-2018-6476

CRITICAL

Improper Input Validation (CWE-20)

2018-01-31 cve@mitre.org

Privilege Escalation Superantispyware

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jan 31, 2018 - 19:29 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

In SUPERAntiSpyware Professional Trial 6.0.1254, the SASKUTIL.SYS driver allows privilege escalation to NT AUTHORITY\SYSTEM because of not validating input values from IOCtl 0x9C402114 or 0x9C402124. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. In SUPERAntiSpyware Professional Trial 6.0.1254, the SASKUTIL.SYS driver allows privilege escalation to NT AUTHORITY\SYSTEM because of not validating input values from IOCtl 0x9C402114 or 0x9C402124 or 0x9C40207c. Affected products include: Superantispyware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.