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JuniperCVE-2021-0297

HistoryOct 19, 2021 - 7:15 p.m.

CVE-2021-0297

2021-10-1919:15:08

CWE-755

juniper

web.nvd.nist.gov

tcp md5 authentication

juniper networks

junos os evolved

vulnerability

bgp

ldp

nvd

cve-2021-0297

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

36.1%

JSON

A vulnerability in the processing of TCP MD5 authentication in Juniper Networks Junos OS Evolved may allow a BGP or LDP session configured with MD5 authentication to succeed, even if the peer does not have TCP MD5 authentication enabled. This could lead to untrusted or unauthorized sessions being established, resulting in an impact on confidentiality or stability of the network. This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.3R2-S1-EVO; 20.4 versions prior to 20.4R2-EVO; 21.1 versions prior to 21.1R2-EVO. Juniper Networks Junos OS is not affected by this issue.

Affected configurations

Nvd

Node

juniperjunos_os_evolvedMatch20.3r1

juniperjunos_os_evolvedMatch20.3r1-s1

juniperjunos_os_evolvedMatch20.3r2

juniperjunos_os_evolvedMatch20.4r1

juniperjunos_os_evolvedMatch21.1r1

VendorProductVersionCPE
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:*:*:*:*:*:*
juniperjunos_os_evolved20.3cpe:2.3:o:juniper:junos_os_evolved:20.3:r2:*:*:*:*:*:*
juniperjunos_os_evolved20.4cpe:2.3:o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:*
juniperjunos_os_evolved21.1cpe:2.3:o:juniper:junos_os_evolved:21.1:r1:*:*:*:*:*:*

Vendor	Product	Version	CPE
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::::::
juniper	junos_os_evolved	20.3	cpe:2.3:o:juniper:junos_os_evolved:20.3:r2::::::
juniper	junos_os_evolved	20.4	cpe:2.3:o:juniper:junos_os_evolved:20.4:r1::::::
juniper	junos_os_evolved	21.1	cpe:2.3:o:juniper:junos_os_evolved:21.1:r1::::::

CNA Affected

[
  {
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "20.3R2-S1-EVO",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "20.4R2-EVO",
        "status": "affected",
        "version": "20.4",
        "versionType": "custom"
      },
      {
        "lessThan": "21.1R2-EVO",
        "status": "affected",
        "version": "21.1",
        "versionType": "custom"
      }
    ]
  }
]

References

kb.juniper.net/JSA11211

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.5

Confidence

High

EPSS

0.001

Percentile

36.1%

JSON

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