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JuniperCVE-2021-0226

HistoryApr 22, 2021 - 8:15 p.m.

CVE-2021-0226

2021-04-2220:15:08

CWE-665

juniper

web.nvd.nist.gov

juniper networks

junos os

evolved devices

cve-2021-0226

ipv6

bgp

dos

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

42.5%

JSON

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.

Affected configurations

Nvd

Node

juniperjunos_os_evolvedMatch20.1r1

juniperjunos_os_evolvedMatch20.1r1-s1

juniperjunos_os_evolvedMatch20.1r2

juniperjunos_os_evolvedMatch20.1r2-s1

juniperjunos_os_evolvedMatch20.1r2-s2

juniperjunos_os_evolvedMatch20.2r1

juniperjunos_os_evolvedMatch20.2r1-s1

juniperjunos_os_evolvedMatch20.2r2

juniperjunos_os_evolvedMatch20.3r1

juniperjunos_os_evolvedMatch20.3r1-s1

VendorProductVersionCPE
juniperjunos_os_evolved20.1cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:*
juniperjunos_os_evolved20.1cpe:2.3:o:juniper:junos_os_evolved:20.1:r1-s1:*:*:*:*:*:*
juniperjunos_os_evolved20.1cpe:2.3:o:juniper:junos_os_evolved:20.1:r2:*:*:*:*:*:*
juniperjunos_os_evolved20.1cpe:2.3:o:juniper:junos_os_evolved:20.1:r2-s1:*:*:*:*:*:*
juniperjunos_os_evolved20.1cpe:2.3:o:juniper:junos_os_evolved:20.1:r2-s2:*:*:*:*:*:*
juniperjunos_os_evolved20.2cpe:2.3:o:juniper:junos_os_evolved:20.2:r1:*:*:*:*:*:*
juniperjunos_os_evolved20.2cpe:2.3:o:juniper:junos_os_evolved:20.2:r1-s1:*:*:*:*:*:*
juniperjunos_os_evolved20.2cpe:2.3:o:juniper:junos_os_evolved:20.2:r2:*:*:*:*:*:*
juniperjunos_os_evolved20.3cpe:2.3:o:juniper:junos_os_evolved:20.3:r1:*:*:*:*:*:*
juniperjunos_os_evolved20.3cpe:2.3:o:juniper:junos_os_evolved:20.3:r1-s1:*:*:*:*:*:*

Vendor	Product	Version	CPE
juniper	junos_os_evolved	20.1	cpe:2.3:o:juniper:junos_os_evolved:20.1:r1::::::
juniper	junos_os_evolved	20.1	cpe:2.3:o:juniper:junos_os_evolved:20.1:r1-s1::::::
juniper	junos_os_evolved	20.1	cpe:2.3:o:juniper:junos_os_evolved:20.1:r2::::::
juniper	junos_os_evolved	20.1	cpe:2.3:o:juniper:junos_os_evolved:20.1:r2-s1::::::
juniper	junos_os_evolved	20.1	cpe:2.3:o:juniper:junos_os_evolved:20.1:r2-s2::::::
juniper	junos_os_evolved	20.2	cpe:2.3:o:juniper:junos_os_evolved:20.2:r1::::::
juniper	junos_os_evolved	20.2	cpe:2.3:o:juniper:junos_os_evolved:20.2:r1-s1::::::
juniper	junos_os_evolved	20.2	cpe:2.3:o:juniper:junos_os_evolved:20.2:r2::::::
juniper	junos_os_evolved	20.3	cpe:2.3:o:juniper:junos_os_evolved:20.3:r1::::::
juniper	junos_os_evolved	20.3	cpe:2.3:o:juniper:junos_os_evolved:20.3:r1-s1::::::

CNA Affected

[
  {
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "19.4R2-S3-EVO",
        "status": "affected",
        "version": "19.4-EVO",
        "versionType": "custom"
      },
      {
        "lessThan": "20.1R2-S3-EVO",
        "status": "affected",
        "version": "20.1-EVO",
        "versionType": "custom"
      },
      {
        "lessThan": "20.2R2-S1-EVO",
        "status": "affected",
        "version": "20.2-EVO",
        "versionType": "custom"
      },
      {
        "lessThan": "20.3R2-EVO",
        "status": "affected",
        "version": "20.3-EVO",
        "versionType": "custom"
      }
    ]
  }
]

References

kb.juniper.net/JSA11121

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

42.5%

JSON

Related for CVE-2021-0226