What is the CVSS score of CVE-2019-14743?

CVE-2019-14743 has a CVSS 3.0 base score of 6.6 (Medium). CVSS vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2019-14743?

Yes, a public proof-of-concept exploit is available for CVE-2019-14743. Prioritise patching immediately. EPSS: 0.6%.

Steam Client CVE-2019-14743

MEDIUM

Incorrect Permission Assignment for Critical Resource (CWE-732)

2019-08-07 cve@mitre.org

Microsoft Information Disclosure Steam Client

6.6

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.6 MEDIUM

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 07, 2019 - 15:15 nvd

MEDIUM 6.6

DescriptionNVD

AnalysisAI

In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Permission Assignment (CWE-732), which allows attackers to access resources due to misconfigured permissions. In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access. Affected products include: Valvesoftware Steam Client. Version information: through 2019.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and restrict file/resource permissions, apply principle of least privilege.