Vulnerability Monitor

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CVE-2021-0226

On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue does not affect IPv4 BGP sessions. This issue affects IBGP or EBGP peer sessions with IPv6. This issue affects: Juniper Networks Junos OS Evolved: 19.4 versions prior to 19.4R2-S3-EVO; 20.1 versions prior to 20.1R2-S3-EVO; 20.2 versions prior to 20.2R2-S1-EVO; 20.3 versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS releases.

Published

2021-04-22T20:15:08.497

Last Modified

2024-11-21T05:42:14.917

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.1 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-665
  • Type: Primary
    CWE-665
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos_os_evolved 20.1 Yes
Operating System juniper junos_os_evolved 20.1 Yes
Operating System juniper junos_os_evolved 20.1 Yes
Operating System juniper junos_os_evolved 20.1 Yes
Operating System juniper junos_os_evolved 20.1 Yes
Operating System juniper junos_os_evolved 20.2 Yes
Operating System juniper junos_os_evolved 20.2 Yes
Operating System juniper junos_os_evolved 20.2 Yes
Operating System juniper junos_os_evolved 20.3 Yes
Operating System juniper junos_os_evolved 20.3 Yes
References