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cve[email protected]CVE-2021-0297
HistoryOct 19, 2021 - 7:15 p.m.

CVE-2021-0297

2021-10-1919:15:08
CWE-755
web.nvd.nist.gov
34
tcp md5 authentication
juniper networks
junos os evolved
vulnerability
bgp
ldp
nvd
cve-2021-0297

6.5 Medium

CVSS3

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

6.5 Medium

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

31.7%

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
OR
juniperjunos_os_evolvedMatch20.3r1-s1
OR
juniperjunos_os_evolvedMatch20.3r2
OR
juniperjunos_os_evolvedMatch20.4r1
OR
juniperjunos_os_evolvedMatch21.1r1

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"
      }
    ]
  }
]

6.5 Medium

CVSS3

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

6.5 Medium

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

31.7%

Related for CVE-2021-0297