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01 Record

CVE-2017-7901

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

UnratedPUBLISHEDCNA: icscert
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
9.04% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 95.2% of scored records. A rank, not a probability.
NVD base score
8.6 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2017-06-30 02:35Z9 YR AGO
Last updated
2024-08-05 16:19Z2 YR AGO
Reserved
2017-04-18
Assigning CNA
icscert
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-343Predictable Value Range from Previous ValuesBase
  • CWE-330Use of Insufficiently Random ValuesClass
Data version
5.1
Document digest
3ba80d38edf4237bccf7a32d8c754ad3e1ffa95092695c9b551d68c67f29545a

05 Affected products

VendorProductVersionsPlatforms
n/aRockwell Automation Allen-Bradley MicroLogix 1100 and 1400Rockwell Automation Allen-Bradley MicroLogix 1100 and 1400—

06 References