CVE-2017-14470

Public Exploit

Description

An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a read or write operation resulting in disclosure of sensitive information, modification of settings, or modification of ladder logic. An attacker can send unauthenticated packets to trigger this vulnerability. Required Keyswitch State: REMOTE or PROG or RUN Description: The value 0xffffffff is considered NaN for the Float data type. When a float is set to this value and used in the PLC, a fault is triggered. NOTE: This is not possible through RSLogix.

10.0

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 42.56% Top 5%

Third-Party Advisory talosintelligence.com

Affected: Talos Allen Bradley

References

Link	Tags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2017-14470?: CVE-2017-14470 has been scored as a critical severity vulnerability.
How to fix CVE-2017-14470?: To fix CVE-2017-14470, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14470 being actively exploited in the wild?: It is possible that CVE-2017-14470 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~43% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-14470?: CVE-2017-14470 affects Talos Allen Bradley.

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