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[email protected]CVE-2017-14462

HistoryApr 05, 2018 - 9:29 p.m.

CVE-2017-14462

2018-04-0521:29:00

[email protected]

web.nvd.nist.gov

cve-2017-14462

access control

vulnerability

allen bradley

micrologix 1400

data security

program security

function file permissions

disclosure

modification

network parameters

ip address

snmp

modbus

dnp

channel configuration

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.6%

JSON

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 (also RUN for some) Description: Allows an attacker to enable SNMP, Modbus, DNP, and any other features in the channel configuration. Also allows attackers to change network parameters, such as IP address, name server, and domain name.

Affected configurations

Vulners

NVD

Node

talosallen_bradleyRange≤Allen Bradley Micrologix 1400 Series B FRN 21.2

talosallen_bradleyRange≤Allen Bradley Micrologix 1400 Series B FRN 21.0

talosallen_bradleyRange≤Allen Bradley Micrologix 1400 Series B FRN 15

CPENameOperatorVersion
rockwellautomation:micrologix_1400_b_firmwarerockwellautomation micrologix 1400 b firmwarele21.2

CPE	Name	Operator	Version
rockwellautomation:micrologix_1400_b_firmware	rockwellautomation micrologix 1400 b firmware	le	21.2

CNA Affected

[
  {
    "product": "Allen Bradley",
    "vendor": "Talos",
    "versions": [
      {
        "status": "affected",
        "version": "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"
      }
    ]
  }
]