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JuniperCVE-2019-0041

HistoryApr 10, 2019 - 8:29 p.m.

CVE-2019-0041

2019-04-1020:29:00

CWE-284

juniper

web.nvd.nist.gov

cve-2019-0041

ex4300-mp

transit network traffic

control plane

juniper networks

junos os

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

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

42.5%

JSON

On EX4300-MP Series devices with any lo0 filters applied, transit network traffic may reach the control plane via loopback interface (lo0). The device may fail to forward such traffic. This issue affects Juniper Networks Junos OS 18.2 versions prior to 18.2R1-S2, 18.2R2 on EX4300-MP Series. This issue does not affect any other EX series devices.

Affected configurations

Nvd

Node

juniperjunosMatch18.2-

juniperjunosMatch18.2r1

AND

juniperex4300-mpMatch-

VendorProductVersionCPE
juniperjunos18.2cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:*
juniperjunos18.2cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:*
juniperex4300-mp-cpe:2.3:h:juniper:ex4300-mp:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
juniper	junos	18.2	cpe:2.3:o:juniper:junos:18.2:-::::::
juniper	junos	18.2	cpe:2.3:o:juniper:junos:18.2:r1::::::
juniper	ex4300-mp	-	cpe:2.3:h:juniper:ex4300-mp:-:::::::*

CNA Affected

[
  {
    "platforms": [
      "EX4300-MP Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "18.2R1-S2, 18.2R2",
        "status": "affected",
        "version": "18.2",
        "versionType": "custom"
      }
    ]
  }
]

References

kb.juniper.net/JSA10933

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

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

42.5%

JSON

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