CVE-2021-0235

Junos OS: SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3, vSRX Series: In a multi-tenant environment, a tenant host administrator may configure logical firewall isolation affecting other tenant networks

State
Published
Severity
7.3 High
Published
Apr 22, 2021
Updated
Sep 17, 2024
Reserved
Oct 27, 2020

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Description

On SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3, vSRX Series devices using tenant services on Juniper Networks Junos OS, due to incorrect permission scheme assigned to tenant system administrators, a tenant system administrator may inadvertently send their network traffic to one or more tenants while concurrently modifying the overall device system traffic management, affecting all tenants and the service provider. Further, a tenant may inadvertently receive traffic from another tenant. This issue affects: Juniper Networks Junos OS 18.3 version 18.3R1 and later versions on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2; 18.4 version 18.4R1 and later versions on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3; 19.1 versions 19.1R1 and later versions on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3; 19.2 versions prior to 19.2R1-S6, 19.2R3-S2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3; 19.3 versions prior to 19.3R3-S2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3; 19.4 versions prior to 19.4R2-S4, 19.4R3-S2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3; 20.1 versions prior to 20.1R2, 20.1R3 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3 vSRX Series; 20.2 versions prior to 20.2R2-S1, 20.2R3 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3 vSRX Series; 20.3 versions prior to 20.3R1-S2, 20.3R2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3 vSRX Series; 20.4 versions prior to 20.4R1, 20.4R2 on SRX1500, SRX4100, SRX4200, SRX4600, SRX5000 Series with SPC2/SPC3 vSRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 18.3R1.

Scores

CVSSScoreVectorSource
3.17.3 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:Ljuniper

Weaknesses

  • CWE-276 Incorrect Default Permissions

Affected Products

ProductVersions
Junos OSJuniper Networks
  • 18.3R1 to before 18.3*Affected
Junos OSJuniper Networks
  • 18.4R1 to before 18.4*Affected
  • 19.1R1 to before 19.1*Affected
  • 19.2 to before 19.2R1-S6, 19.2R3-S2Affected
  • 19.3 to before 19.3R3-S2Affected
  • 19.4 to before 19.4R2-S4, 19.4R3-S2Affected
Junos OSJuniper Networks
  • 20.1 to before 20.1R2, 20.1R3Affected
  • 20.2 to before 20.2R2-S1, 20.2R3Affected
  • 20.3 to before 20.3R1-S2, 20.3R2Affected
  • 20.4 to before 20.4R1, 20.4R2Affected
Junos OSJuniper Networks
  • before 18.3R1Not affected

References

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