CVE-2017-7902 is a critical vulnerability affecting Rockwell Automation Allen-Bradley MicroLogix 1100 and 1400 programmable logic controllers (PLCs) in versions 16.00 and prior. The flaw, categorized as "Reusing a Nonce, Key Pair in Encryption," allows an attacker to capture and replay valid requests due to the reuse of nonces. With a CVSS score of 9.8 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and can lead to high impacts on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 16.000CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:1763-l16awa_series_a:*:*:*:*:*:*:*:* | ||
<= 16.000CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:1763-l16awa_series_b:*:*:*:*:*:*:*:* | ||
<= 16.000CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:1763-l16bbb_series_a:*:*:*:*:*:*:*:* | ||
<= 16.000CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:1763-l16bbb_series_b:*:*:*:*:*:*:*:* | ||
<= 16.000CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:1763-l16bwa_series_a:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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.
No media coverage found for this CVE.
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.