HIGH🇵🇱 Wersja polska

CVE-2017-7901

CVSS 8.6v3.0pub. 2017-06-30upd. 2026-05-13

A Predictable Value Range from Previous Values 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. Insufficiently random TCP initial sequence numbers are generated, which may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections, resulting in a denial of service for the target device.

CVSS Vector

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

Rockwellautomation 1763 L16awa Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1763 L16awa Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1763 L16bbb Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1763 L16bbb Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1763 L16bwa Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1763 L16bwa Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1763 L16dwd Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1763 L16dwd Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32awaa Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32awaa Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32awa Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32awa Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bwaa Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bwaa Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bwa Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bwa Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bxba Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bxba Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bxb Series A
APP
Rockwellautomation
≤ 16.000
Rockwellautomation 1766 L32bxb Series B
APP
Rockwellautomation
≤ 16.000
Rockwellautomation Ab Micrologix Controller
HW
Rockwellautomation
11001400

🔵

CHECK WITH VENDOR

No clear patch data available. Check vendor references.

Tags

DoS

CWE

References

www.securitytracker.com/id/1038546…

ics-cert.us-cert.gov/advisories/ICSA-17-115-04…

www.securitytracker.com/id/1038546…

ics-cert.us-cert.gov/advisories/ICSA-17-115-04…

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