CVE-2017-16740 is a critical stack-based buffer overflow vulnerability affecting Rockwell Automation Allen-Bradley MicroLogix 1400 Controllers, Series B and C, versions 21.002 and earlier. This flaw, with a CVSS score of 10.0, allows for unauthenticated remote code execution with high impact on confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) is available and it's not listed in CISA's KEV catalog, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 21.002CPE matchmatch criteria | cpe:2.3:o:rockwellautomation:1766-l32bxba_firmware:*:*:*:*:*:*:*:* | ||
<= 21.002CPE matchmatch criteria | cpe:2.3:o:rockwellautomation:1766-l32awa_firmware:*:*:*:*:*:*:*:* | ||
<= 21.002CPE matchmatch criteria | cpe:2.3:o:rockwellautomation:1766-l32bxb_firmware:*:*:*:*:*:*:*:* | ||
<= 21.002CPE matchmatch criteria | cpe:2.3:o:rockwellautomation:1766-l32bwaa_firmware:*:*:*:*:*:*:*:* | ||
<= 21.002CPE matchmatch criteria | cpe:2.3:o:rockwellautomation:1766-l32awaa_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.