CVE-2017-7899

9.8 CRITICAL 5% exploit odds Fix listed Disclosure Device

What it is

An Information Exposure 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. User credentials are sent to the web server using the HTTP GET method, which may result in the credentials being logged. This could make user credentials available for unauthorized retrieval.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 4.7% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2017-06-30 03:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 01:25 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.7% in the next 30 days (EPSS).
Severity: 9.8 CRITICAL (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2017-06-30 03:29 UTC
Last modified: 2026-06-17 01:25 UTC
Exploit probability: 4.7% · EPSS, next 30 days
Weakness: CWE-200 · Information exposure
Record status: Modified

Affected

Rockwellautomation 1763-l16awa Series A ≤ 16.000
Rockwellautomation 1763-l16awa Series B ≤ 16.000
Rockwellautomation 1763-l16bbb Series A ≤ 16.000
Rockwellautomation 1763-l16bbb Series B ≤ 16.000
Rockwellautomation 1763-l16bwa Series A ≤ 16.000
Rockwellautomation 1763-l16bwa Series B ≤ 16.000
Rockwellautomation 1763-l16dwd Series A ≤ 16.000
Rockwellautomation 1763-l16dwd Series B ≤ 16.000

Attack profile CVSS 3.0 · 9.8

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2017-7899.md and follow it. Check whether this project is affected by CVE-2017-7899. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record