CRITICAL · 9.8

CVE-2017-7899

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-L16...

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Rockwellautomation1763-L16Awa Series A<= 16.000
Rockwellautomation1763-L16Awa Series B<= 16.000
Rockwellautomation1763-L16Bbb Series A<= 16.000
Rockwellautomation1763-L16Bbb Series B<= 16.000
Rockwellautomation1763-L16Bwa Series A<= 16.000
Rockwellautomation1763-L16Bwa Series B<= 16.000
Rockwellautomation1763-L16Dwd Series A<= 16.000
Rockwellautomation1763-L16Dwd Series B<= 16.000
RockwellautomationAb Micrologix Controller1100
Rockwellautomation1766-L32Awa Series A<= 16.000
Rockwellautomation1766-L32Awa Series B<= 16.000
Rockwellautomation1766-L32Awaa Series A<= 16.000
Rockwellautomation1766-L32Awaa Series B<= 16.000
Rockwellautomation1766-L32Bwa Series A<= 16.000
Rockwellautomation1766-L32Bwa Series B<= 16.000
Rockwellautomation1766-L32Bwaa Series A<= 16.000
Rockwellautomation1766-L32Bwaa Series B<= 16.000
Rockwellautomation1766-L32Bxb Series A<= 16.000
Rockwellautomation1766-L32Bxb Series B<= 16.000
Rockwellautomation1766-L32Bxba Series A<= 16.000

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-7899?

CVE-2017-7899 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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-L16...

How severe is CVE-2017-7899?

CVE-2017-7899 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2017-7899?

Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation 1763-L16Awa Series A, Rockwellautomation 1763-L16Awa Series B, Rockwellautomation 1763-L16Bbb Series A, Rockwellautomation 1763-L16Bbb Series B, Rockwellautomation 1763-L16Bwa Series A.