CVE-2021-0226

Description

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.

Risk Information

Base Score

7.5

MODERATE

Vector

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

EPSS Score

Exploitation Probability

0.536

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2021-0226 are fixed in junos_os_evolved 20.1R2-S3-EVO	NCM
Vulnerabilities CVE-2021-0226 are fixed in junos_os_evolved 20.2R2-S1-EVO	NCM
Vulnerabilities CVE-2021-0226 are fixed in junos_os_evolved 20.3R2-EVO.	NCM
Improper Initialization Vulnerability (CVE-2021-0226)	NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE

Patch ID	Patch Description
PATCH-1704509	Security Update for junos_os_evolved 20.4R1-EVO.
PATCH-1704509	Security Update for junos_os_evolved 20.4R1-EVO.
PATCH-1704509	Security Update for junos_os_evolved 20.4R1-EVO.

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234