Critical severity10.0NVD Advisory· Published Apr 5, 2018· Updated Jun 17, 2026
CVE-2017-14473
CVE-2017-14473
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: Any Description: Reads the encoded ladder logic from its data file and print it out in HEX.
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Affected products
2- Range: <= FRN 21.2
- Talos/Allen Bradleyv5Range: 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
Patches
Vulnerability mechanics
References
1- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443nvdExploitThird Party Advisory
News mentions
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