MEDIUM · 5.3

CVE-2017-12093

An exploitable insufficient resource pool vulnerability exists in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before. A specially crafted stream...

Vulnerability Description

An exploitable insufficient resource pool vulnerability exists in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before. A specially crafted stream of packets can cause a flood of the session resource pool resulting in legitimate connections to the PLC being disconnected. An attacker can send unauthenticated packets to trigger this vulnerability.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
RockwellautomationMicrologix 1400 B Firmware<= 21.2
RockwellautomationMicrologix 1400-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-12093?

CVE-2017-12093 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An exploitable insufficient resource pool vulnerability exists in the session communication functionality of Allen Bradley Micrologix 1400 Series B Firmware 21.2 and before. A specially crafted stream...

How severe is CVE-2017-12093?

CVE-2017-12093 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-12093?

Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Micrologix 1400 B Firmware, Rockwellautomation Micrologix 1400.