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cve[email protected]CVE-2021-0226
HistoryApr 22, 2021 - 8:15 p.m.

CVE-2021-0226

2021-04-2220:15:08
CWE-665
[email protected]
web.nvd.nist.gov
23
juniper networks
junos os
evolved devices
cve-2021-0226
ipv6
bgp
dos
nvd

5 Medium

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

7.5 High

CVSS3

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

0.001 Low

EPSS

Percentile

42.7%

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
OR
juniperjunos_os_evolvedMatch20.1r1-s1
OR
juniperjunos_os_evolvedMatch20.1r2
OR
juniperjunos_os_evolvedMatch20.1r2-s1
OR
juniperjunos_os_evolvedMatch20.1r2-s2
OR
juniperjunos_os_evolvedMatch20.2r1
OR
juniperjunos_os_evolvedMatch20.2r1-s1
OR
juniperjunos_os_evolvedMatch20.2r2
OR
juniperjunos_os_evolvedMatch20.3r1
OR
juniperjunos_os_evolvedMatch20.3r1-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"
      }
    ]
  }
]

Related

nessus 1
cvelist 1
nvd 1
prion 1
nessus
nessus
Juniper Junos OS Vulnerability (JSA11121)
2023-07-20 00:00:00
cvelist
cvelist
CVE-2021-0226 Junos OS Evolved: The IPv6 BGP session will flap due to receipt of a specific IPv6 packet
2021-04-14 00:00:00
nvd
nvd
CVE-2021-0226
2021-04-22 20:15:08
prion
prion
Design/Logic Flaw
2021-04-22 20:15:00

5 Medium

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

7.5 High

CVSS3

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

0.001 Low

EPSS

Percentile

42.7%

JSON
Related for CVE-2021-0226
nessus1cvelist1nvd1prion1