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CVE-2017-7924

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
20/09/2017
Last modified:
20/04/2025

Description

An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and 1763-L16DWD. A remote, unauthenticated attacker could send a single, specially crafted Programmable Controller Communication Commands (PCCC) packet to the controller that could potentially cause the controller to enter a DoS condition.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:rockwellautomation:1763-l16bwa_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1763-l16bwa:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1763-l16awa_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1763-l16awa:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1763-l16bbb_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1763-l16bbb:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1763-l16dwd_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1763-l16dwd:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools