Vulnerability Details : CVE-2022-22154

In a Junos Fusion scenario an External Control of Critical State Data vulnerability in the Satellite Device (SD) control state machine of Juniper Networks Junos OS allows an attacker who is able to make physical changes to the cabling of the device to cause a denial of service (DoS). An SD can get rebooted and subsequently controlled by an Aggregation Device (AD) which does not belong to the original Fusion setup and is just connected to an extended port of the SD. To carry out this attack the attacker needs to have physical access to the cabling between the SD and the original AD. This issue affects: Juniper Networks Junos OS 16.1R1 and later versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S4. This issue does not affect Juniper Networks Junos OS versions prior to 16.1R1.
Published 2022-01-19 01:15:08
Updated 2022-01-28 19:53:11
Source Juniper Networks, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2022-22154

Exploit prediction scoring system (EPSS) score for CVE-2022-22154

EPSS FAQ
0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-22154

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
 NIST
6.8
 MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.9
5.9
 NIST
6.8
 MEDIUM CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
0.9
5.9
 Juniper Networks, Inc.

CWE ids for CVE-2022-22154

  • The product stores security-critical state information about its users, or the product itself, in a location that is accessible to unauthorized actors.
    Assigned by: sirt@juniper.net (Secondary)
  • The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-22154

  • https://kb.juniper.net/JSA11262
    2022-01 Security Bulletin: Junos Fusion: A Satellite Device can be controlled by rewiring it to a foreign AD causing a DoS (CVE-2022-22154) - Juniper Networks
    Vendor Advisory
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