Vulnerability Monitor

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CVE-2021-0298

A Race Condition in the 'show chassis pic' command in Juniper Networks Junos OS Evolved may allow an attacker to crash the port interface concentrator daemon (picd) process on the FPC, if the command is executed coincident with other system events outside the attacker's control, leading to a Denial of Service (DoS) condition. Continued execution of the CLI command, under precise conditions, could create a sustained Denial of Service (DoS) condition. This issue affects all Juniper Networks Junos OS Evolved versions prior to 20.1R2-EVO on PTX10003 and PTX10008 platforms. Junos OS is not affected by this vulnerability.

Published

2021-10-19T19:15:08.350

Last Modified

2024-11-21T05:42:26.130

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.7 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

1.9

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-362
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos_os_evolved 18.3 Yes
Operating System juniper junos_os_evolved 19.1 Yes
Operating System juniper junos_os_evolved 19.1 Yes
Operating System juniper junos_os_evolved 19.2 Yes
Operating System juniper junos_os_evolved 19.2 Yes
Operating System juniper junos_os_evolved 19.3 Yes
Operating System juniper junos_os_evolved 19.3 Yes
Operating System juniper junos_os_evolved 19.4 Yes
Operating System juniper junos_os_evolved 19.4 Yes
Operating System juniper junos_os_evolved 20.1 Yes
Operating System juniper junos_os_evolved 20.1 Yes
Hardware juniper ptx10003 - No
Hardware juniper ptx10008 - No
References