Stack-based buffer overflow on Rockwell Automation Allen-Bradley MicroLogix 1100 devices…
Priority MEDIUM 53CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Stack-based buffer overflow on Rockwell Automation Allen-Bradley MicroLogix 1100 devices A through 15.000 and B before 15.002 allows remote attackers to execute arbitrary code via a crafted web request.
Why it matters now
EPSS 0.08731 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1100:*:*:*:*:*:*:* | 1100 | Running on | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16awa_series_a:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16awa_series_b:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16bbb_series_a:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16bbb_series_b:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16bwa_series_a:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16bwa_series_b:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16dwd_series_a:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
| cpe:2.3:a:rockwellautomation:1763-l16dwd_series_b:15.000:*:*:*:*:*:*:* | 15.000 | Vulnerable | Rockwell |
- cpe:2.3:h:rockwellautomation:ab_micrologix_controller:1100:*:*:*:*:*:*:* Versions 1100 Running on ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16awa_series_a:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16awa_series_b:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16bbb_series_a:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16bbb_series_b:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16bwa_series_a:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16bwa_series_b:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16dwd_series_a:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
- cpe:2.3:a:rockwellautomation:1763-l16dwd_series_b:15.000:*:*:*:*:*:*:* Versions 15.000 Vulnerable ·Rockwell
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-0868
- 2026-10-03 Alias added: GHSA-mhq4-x2rw-f5f2
References
More Rockwell 1763-l16awa Series A vulnerabilities
- TI-2017-05509 Missing brute-force protection in Rockwell Automation Allen-Bradley MicroLogix 1100 and… CVSS 3.1CRITICAL 9.8
- TI-2017-05513 A Weak Password Requirements issue was discovered in Rockwell Automation Allen-Bradley… CVSS 3.1CRITICAL 9.8
- TI-2017-05510 Information disclosure in Rockwell Automation Allen-Bradley MicroLogix 1100 and 1400 CVSS 3.0CRITICAL 9.8
- TI-2017-05511 A Predictable Value Range from Previous Values issue was discovered in Rockwell… CVSS 3.0HIGH 8.6
- TI-2017-05512 A "Reusing a Nonce, Key Pair in Encryption" issue was discovered in Rockwell Automation… CVSS 3.0CRITICAL 9.8
- TI-2016-07614 An issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 controller… CVSS 3.0HIGH 7.3
Sources
- CVE-2016-0868 · CVE Program
- CVE-2016-0868 · NVD
- FIRST EPSS
- GHSA-mhq4-x2rw-f5f2 · GitHub Advisory Database · CC BY 4.0
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