An attacker could send a crafted HTTP/HTTPS request to render the web server unavailable and/or lead to remote code execution caused by a stack-based buffer overflow vulnerability. A cold restart is required for recovering CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.
This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 8 products from rockwellautomation, from rockwellautomation, from rockwellautomation and 5 others, organizations running these solutions should prioritize assessment and patching.
First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.
2019-05-01T20:29:00.257
2026-02-20T19:21:39.200
Modified
CVSSv3.1: 9.8 (CRITICAL)
AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | rockwellautomation | compactlogix_5370_l1_firmware | ≤ 30.014 | Yes |
| Hardware | rockwellautomation | compactlogix_5370_l1 | - | No |
| Operating System | rockwellautomation | compactlogix_5370_l2_firmware | ≤ 30.014 | Yes |
| Hardware | rockwellautomation | compactlogix_5370_l2 | - | No |
| Operating System | rockwellautomation | compactlogix_5370_l3_firmware | ≤ 30.014 | Yes |
| Hardware | rockwellautomation | compactlogix_5370_l3 | - | No |
| Operating System | rockwellautomation | armor_compact_guardlogix_5370_firmware | ≤ 30.014 | Yes |
| Hardware | rockwellautomation | armor_compact_guardlogix_5370 | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rockwellautomation's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.