Critical severity · published Apr 5, 2018
CVE-2017-14468
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
9.8
CVSS
38%
EPSS
No
On KEV
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 Description: This ability is leveraged in a larger exploit to flash custom firmware.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)38.0% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
M1
Micrologix 1400 B Firmware · Rockwellautomation
through 21.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14468
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14468
Exploit
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443
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