CVE-2017-7902
9.8 · CRITICALOverview
CVE-2017-7902 is a critical-severity vulnerability affecting rockwellautomation 1763-l16awa_series_a. It was published on June 30, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A "Reusing a Nonce, Key Pair in Encryption" issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and B, Version 16.00 and prior versions; 1763-L16BBB, Series A and B, Version 16.00 and prior versions; 1763-L16BWA, Series A and B, Version 16.00 and prior versions; and 1763-L16DWD, Series A and B, Version 16.00 and prior versions and Allen-Bradley MicroLogix 1400 programmable logic controllers 1766-L32AWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWAA, Series A and B, Version 16.00 and prior versions; 1766-L32BXB, Series A and B, Version 16.00 and prior versions; 1766-L32BXBA, Series A and B, Version 16.00 and prior versions; and 1766-L32AWAA, Series A and B, Version 16.00 and prior versions. The affected product reuses nonces, which may allow an attacker to capture and replay a valid request until the nonce is changed.
Remediation
Check the references section for vendor advisories and patches from rockwellautomation. Update 1763-l16awa_series_a to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rockwellautomation | 1763-l16awa_series_a | 0 | Affected |
| rockwellautomation | 1763-l16awa_series_b | 0 | Affected |
| rockwellautomation | 1763-l16bbb_series_a | 0 | Affected |
| rockwellautomation | 1763-l16bbb_series_b | 0 | Affected |
| rockwellautomation | 1763-l16bwa_series_a | 0 | Affected |
| rockwellautomation | 1763-l16bwa_series_b | 0 | Affected |
| rockwellautomation | 1763-l16dwd_series_a | 0 | Affected |
| rockwellautomation | 1763-l16dwd_series_b | 0 | Affected |
| rockwellautomation | 1766-l32awa_series_a | 0 | Affected |
| rockwellautomation | 1766-l32awa_series_b | 0 | Affected |
| rockwellautomation | 1766-l32awaa_series_a | 0 | Affected |
| rockwellautomation | 1766-l32awaa_series_b | 0 | Affected |
| rockwellautomation | 1766-l32bwa_series_a | 0 | Affected |
| rockwellautomation | 1766-l32bwa_series_b | 0 | Affected |
| rockwellautomation | 1766-l32bwaa_series_a | 0 | Affected |
| rockwellautomation | 1766-l32bwaa_series_b | 0 | Affected |
| rockwellautomation | 1766-l32bxb_series_a | 0 | Affected |
| rockwellautomation | 1766-l32bxb_series_b | 0 | Affected |
| rockwellautomation | 1766-l32bxba_series_a | 0 | Affected |
Frequently Asked Questions
What is CVE-2017-7902?
CVE-2017-7902 is a critical-severity vulnerability affecting rockwellautomation 1763-l16awa_series_a. It was published on June 30, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2017-7902?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-7902?
Check the references section for vendor advisories and patches from rockwellautomation. Update 1763-l16awa_series_a to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-7902?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-7902 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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