TI-2017-08886 Aliases CVE-2017-12093 GHSA-6xvm-9875-gvqp

Uncontrolled resource consumption in Talos Allen Bradley

LOW 33CWE-400Published 2018-04-05 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

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.

Why it matters now

EPSS 0.06 93rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Talos	Allen Bradley	Allen Bradley Micrologix 1400 Series B FRN 21.2, Allen Bradley Micrologix 1400 Series B FRN 21.0, Allen Bradley Micrologix 1400 Series B FRN 15	—	No fix listed	CNA

Allen Bradley VendorTalos Affected Allen Bradley Micrologix 1400 Series B FRN 21.2, Allen Bradley Micrologix 1400 Series B FRN 21.0, Allen Bradley Micrologix 1400 Series B FRN 15 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware::::::::	up to 21.2	Vulnerable	Rockwell
cpe:2.3:h:rockwellautomation:micrologix_1400:-:::::::*	not specified by NVD	Running on	Rockwell

cpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:*:*:*:*:*:*:*:* Versions up to 21.2 Vulnerable ·Rockwell
cpe:2.3:h:rockwellautomation:micrologix_1400:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2017-12093
2026-10-03 Alias added: GHSA-6xvm-9875-gvqp

References

Exploit 1

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0445

TI-2017-10579 An exploitable access control vulnerability exists in the data, program, and function… CVSS 3.0CRITICAL 10.0
TI-2017-10578 An exploitable access control vulnerability exists in the data, program, and function… CVSS 3.0CRITICAL 10.0
TI-2017-10577 An exploitable access control vulnerability exists in the data, program, and function… CVSS 3.0CRITICAL 10.0
TI-2017-10576 An exploitable access control vulnerability exists in the data, program, and function… CVSS 3.0CRITICAL 10.0
TI-2017-10575 An exploitable access control vulnerability exists in the data, program, and function… CVSS 3.0CRITICAL 10.0
TI-2017-10574 An exploitable access control vulnerability exists in the data, program, and function… CVSS 3.1CRITICAL 9.8

See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences