CVE-2017-7898
An Improper Restriction of Excessive Authentication Attempts 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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An Improper Restriction of Excessive Authentication Attempts 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. There are no penalties for repeatedly entering incorrect passwords.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.15% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-307
- Affected
- 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 · rockwellautomation/1763-l16bwa series b · rockwellautomation/1763-l16dwd series a · rockwellautomation/1763-l16dwd series b · rockwellautomation/1766-l32awa series a · rockwellautomation/1766-l32awa series b · rockwellautomation/1766-l32awaa series a · rockwellautomation/1766-l32awaa series b · rockwellautomation/1766-l32bwa series a · rockwellautomation/1766-l32bwa series b · rockwellautomation/1766-l32bwaa series a · rockwellautomation/1766-l32bwaa series b · rockwellautomation/1766-l32bxb series a · rockwellautomation/1766-l32bxb series b · rockwellautomation/1766-l32bxba series a · rockwellautomation/1766-l32bxba series b
- Source
- ics-cert@hq.dhs.gov
References
- http://www.securitytracker.com/id/1038546
- https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04Patch, Third Party Advisory, US Government Resource
- http://www.securitytracker.com/id/1038546
- https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04Patch, Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.