What is the CVSS score of CVE-2016-5237?

CVE-2016-5237 has a CVSS 3.0 base score of 4.8 (Medium). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2016-5237?

Yes, a public proof-of-concept exploit is available for CVE-2016-5237. Prioritise patching immediately. EPSS: 0.1%.

Steamos CVE-2016-5237

MEDIUM

Permissions, Privileges, and Access Controls (CWE-264)

2017-01-23 cve@mitre.org

Privilege Escalation Steamos

4.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

CVE Published

Jan 23, 2017 - 21:59 cve.org

MEDIUM 4.8

DescriptionCVE.org

AnalysisAI

Valve Steam 3.42.16.13 uses weak permissions for the files in the Steam program directory, which allows local users to modify the files and possibly gain privileges as demonstrated by a Trojan horse. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-264. Valve Steam 3.42.16.13 uses weak permissions for the files in the Steam program directory, which allows local users to modify the files and possibly gain privileges as demonstrated by a Trojan horse Steam.exe file. Affected products include: Valvesoftware Steamos.

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.