What is the CVSS score of CVE-2023-2262?

CVE-2023-2262 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

1756 En2T Series A Firmware CVE-2023-2262

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2023-09-20 PSIRT@rockwellautomation.com

9.8

CVSS 3.1 · 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:3.1/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

Sep 20, 2023 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.

AnalysisAI

A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device. Affected products include: Rockwellautomation 1756-En2T Series A Firmware, Rockwellautomation 1756-En2T Series B Firmware, Rockwellautomation 1756-En2T Series C Firmware, Rockwellautomation 1756-En2T Series D Firmware, Rockwellautomation 1756-En2Tk Series A Firmware.

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.