What is the CVSS score of CVE-2019-6556?

CVE-2019-6556 has a CVSS 3.0 base score of 6.6 (Medium). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H. EPSS exploitation probability: 1.2%.

Common Components CVE-2019-6556

MEDIUM

Use After Free (CWE-416)

2019-04-10 ics-cert@hq.dhs.gov

Use After Free Information Disclosure Memory Corruption Common Components Cx Programmer

6.6

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.6 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Lifecycle Timeline

CVE Published

Apr 10, 2019 - 20:29 nvd

MEDIUM 6.6

DescriptionNVD

When processing project files, the application (Omron CX-Programmer v9.70 and prior and Common Components January 2019 and prior) fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application.

AnalysisAI

When processing project files, the application (Omron CX-Programmer v9.70 and prior and Common Components January 2019 and prior) fails to check if it is referencing freed memory. Rated medium severity (CVSS 6.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. When processing project files, the application (Omron CX-Programmer v9.70 and prior and Common Components January 2019 and prior) fails to check if it is referencing freed memory. An attacker could use a specially crafted project file to exploit and execute code under the privileges of the application. Affected products include: Omron Common Components, Omron Cx-Programmer.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.