CVE-2021-0226
Published Apr 22, 2021
Last updated 3 years ago
Overview
- 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.
- Source
- sirt@juniper.net
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F64FBB4B-7CBF-499B-A523-804857DEFAFA"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:r1-s1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EEBE159F-5D94-4C18-B922-331586BEA2CA"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:r2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A38EBFC9-ECBD-4362-82B2-04C02009E85C"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:r2-s1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0DF7C3A8-1279-4F38-9548-85AC7D6290FD"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:r2-s2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "50D38F97-81B0-4952-A1E3-0A9AA4D34820"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.2:r1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FCA8D4D2-D49D-4F91-95E2-2A0E8599338A"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.2:r1-s1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FF37C911-1904-475A-86F7-F92F34A1A88F"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.2:r2:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DDFFE53D-202D-4396-A470-0A09F3320375"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.3:r1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4AFB91E3-CAAC-429F-A869-DDD40FB0F84D"
},
{
"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.3:r1-s1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0A9CA997-2DDA-4808-B2AE-8804FEB798B2"
}
],
"operator": "OR"
}
]
}
]