CVE-2017-14467
CVSS v3
9.8
CRITICAL
EPSS Score
61.4 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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 Description: Live rung edits are able to be made by an unauthenticated user allowing for addition, deletion, or modification of existing ladder logic. Additionally, faults and cpu state modification can be triggered if specific ladder logic is used.
Technical details
- Published
- 2018-04-05
Frequently asked questions
What is CVE-2017-14467?
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 Description: Live rung edits are able to be made by an unauthenticated user allowing for addition, deletion, or modification of existing ladder logic. Additionally, faults and cpu state modification can be triggered if specific ladder logic is used.
Is CVE-2017-14467 actively exploited?
Active exploitation of CVE-2017-14467 has not been confirmed. The EPSS score is 61.4%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2017-14467?
CVE-2017-14467 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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