CVE-2017-7924
An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and 1763-L16DWD.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
An Improper Input Validation issue was discovered in Rockwell Automation MicroLogix 1100 controllers 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and 1763-L16DWD. A remote, unauthenticated attacker could send a single, specially crafted Programmable Controller Communication Commands (PCCC) packet to the controller that could potentially cause the controller to enter a DoS condition.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 22.18% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- rockwellautomation/1763-l16bwa firmware · rockwellautomation/1763-l16awa firmware · rockwellautomation/1763-l16bbb firmware · rockwellautomation/1763-l16dwd firmware
- Source
- ics-cert@hq.dhs.gov
References
- http://www.securityfocus.com/bid/99622Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-138-03Mitigation, Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/99622Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-138-03Mitigation, Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.