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JuniperCVE-2024-21590

HistoryApr 12, 2024 - 3:15 p.m.

CVE-2024-21590

2024-04-1215:15:22

CWE-20

juniper

web.nvd.nist.gov

juniper networks

improper input validation

denial of service

junos os evolved

mpls

cve-2024-21590

CVSS3

5.3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

CVSS4

7.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/SC:N/VI:H/SI:N/VA:N/SA:N

AI Score

6.8

Confidence

High

EPSS

Percentile

12.7%

JSON

An Improper Input Validation vulnerability in Juniper Tunnel Driver (jtd) and ICMP module of Juniper Networks Junos OS Evolved allows an unauthenticated attacker within the MPLS administrative domain to send specifically crafted packets to the Routing Engine (RE) to cause a Denial of Service (DoS).

When specifically crafted transit MPLS IPv4 packets are received by the Packet Forwarding Engine (PFE), these packets are internally forwarded to the RE. Continued receipt of these packets may create a sustained Denial of Service (DoS) condition.

This issue affects Juniper Networks Junos OS:

All versions before 21.2R3-S8-EVO;
from 21.4-EVO before 21.4R3-S6-EVO;
from 22.2-EVO before 22.2R3-S4-EVO;
from 22.3-EVO before 22.3R3-S3-EVO;
from 22.4-EVO before 22.4R3-EVO;
from 23.2-EVO before 23.2R2-EVO.
from 23.4-EVO before 23.4R1-S1-EVO.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "21.2R3-S8-EVO",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "21.4R3-S6-EVO",
        "status": "affected",
        "version": "21.4-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "22.2R3-S4-EVO",
        "status": "affected",
        "version": "22.2-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "22.3R3-S3-EVO",
        "status": "affected",
        "version": "22.3-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "22.4R3-EVO",
        "status": "affected",
        "version": "22.4-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "23.2R2-EVO",
        "status": "affected",
        "version": "23.2-EVO",
        "versionType": "semver"
      },
      {
        "lessThan": "23.4R1-S1-EVO",
        "status": "affected",
        "version": "23.4-EVO",
        "versionType": "semver"
      }
    ]
  }
]

References

supportportal.juniper.net/JSA75728

www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS3

5.3

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

CVSS4

7.1

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/SC:N/VI:H/SI:N/VA:N/SA:N

AI Score

6.8

Confidence

High

EPSS

Percentile

12.7%

JSON

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