Description:

Juniper has released a security update to address multiple vulnerabilities in the following products, the most important ones:

• Windows versions earlier than 20.4.12.20
• macOS versions earlier than 21.3.4.52, iOS versions earlier than 21.2.2.1
• Android versions earlier than 21.1.5.01.CTPView:
  • 9.1 versions prior to 9.1R3
  • 7.3 versions prior to 7.3R7
• Junos OS Evolved:
  • All versions prior to 20.3R2-S1-EVO
  • All versions prior to 20.4R3-S1-EVO;
  • All versions of 21.1-EVO and 21.2-EVO.
• Juniper Networks Junos OS
  • 20.4 versions prior to 20.4R2-EVO;
  • 21.1 versions prior to 21.1R2-EVO.
  • 18.4 versions prior to 18.4R1-S8, 18.4R2-S8, 18.4R3-S8;
  • 19.1 versions prior to 19.1R2-S3, 19.1R3-S5
  • 19.2 versions prior to 19.2R1-S7, 19.2R3-S2
  • 19.3 versions prior to 19.3R2-S6, 19.3R3-S2;
  • 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S3;
  • 20.1 versions prior to 20.1R2-S2, 20.1R3;
  • 20.2 versions prior to 20.2R2-S3, 20.2R3;
  • 20.3 versions prior to 20.3R2-S1, 20.3R3;
  • 20.4 versions prior to 20.4R2.
  • 19.3R3-S2;
  • 19.4R3-S3;
  • 20.2 versions 20.2R2-S3 and later, prior to 20.2R3-S2;
  • 20.3 versions 20.3R2 and later, prior to 20.3R3;
  • 20.4 versions 20.4R2 and later, prior to 20.4R3;
  • 21.1 versions prior to 21.1R2.
  • 19.2 versions prior to 19.2R3-S3;
  • 19.3 versions prior to 19.3R3-S3;
  • 20.1 versions prior to 20.1R2-S2, 20.1R3-S1;
  • 20.2 versions prior to 20.2R3-S2;
  • 20.3 versions prior to 20.3R3;
  • 20.4 versions prior to 20.4R3;
  • 21.1 versions prior to 21.1R2.
  • 12.3X48 versions prior to 12.3X48-D105;
  • 15.1X49 versions prior to 15.1X49-D220;
  • 18.3 versions prior to 18.3R3-S5;
  • 18.4 versions prior to 18.4R3-S9;
  • 19.1 versions prior to 19.1R3-S7;
  • 19.2 versions prior to 19.2R3-S3;
  • 19.3 versions prior to 19.3R3-S4;
  • 19.4 versions prior to 19.4R3-S6;
  • 20.1 versions prior to 20.1R3;
  • 20.2 versions prior to 20.2R1-S1, 20.2R2;
  • 20.3 versions prior to 20.3R2;
  • 20.4 versions prior to 20.4R2;
  • 21.1 versions prior to 21.1R2.
  • All versions prior to 18.3R3-S5;
  • 18.4 versions prior to 18.4R3-S9;
  • 19.1 versions prior to 19.1R3-S6;
  • 19.2 versions prior to 19.2R3-S3;
  • 19.3 versions prior to 19.3R3-S3;
  • 19.4 versions prior to 19.4R3-S5;
  • 20.1 versions prior to 20.1R3-S1;
  • 20.2 versions prior to 20.2R3-S2;
  • 20.3 versions prior to 20.3R3-S1;
  • 20.4 versions prior to 20.4R3;
  • 21.1 versions prior to 21.1R2, 21.1R3;
  • 21.2 versions prior to 21.2R1-S1, 21.2R2;
  • 17.3 versions prior to 17.3R3-S11;
  • 17.4 versions prior to 17.4R2-S13, 17.4R3-S4;
  • 18.1 versions prior to 18.1R3-S12;
  • 18.2 versions prior to 18.2R2-S8, 18.2R3-S7;
  • 18.3 versions prior to 18.3R3-S4;
  • 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S7;
  • 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S4;
  • 19.2 versions prior to 19.2R1-S6, 19.2R3-S1;
  • 19.3 versions prior to 19.3R2-S5, 19.3R3-S1;
  • 19.4 versions prior to 19.4R1-S4, 19.4R1-S4, 19.4R2-S3, 19.4R3-S1;
  • 20.1 versions prior to 20.1R2;
  • 20.2 versions prior to 20.2R2;
  • 20.3 versions prior to 20.3R1-S1, 20.3R2.
• Junos OS on MX Series:
  • 17.3R3-S11;
  • 17.4R2-S13;
  • 17.4R3 prior to 17.4R3-S5;
  • 18.1R3-S12;
  • 18.2R2-S8, 18.2R3-S7, 18.2R3-S8;
  • 18.3R3-S4;
  • 18.4R3-S7;
  • 19.1R3-S4, 19.1R3-S5;
  • 19.2R1-S6;
  • 19.3R3-S2;
  • 19.4R2-S4, 19.4R2-S5;
  • 19.4R3-S2;
  • 20.1R2-S1;
  • 20.2R2-S2, 20.2R3-S3, 20.2R3;
  • 20.3R2, 20.3R2-S1;
  • 20.4R1, 20.4R1-S1, 20.4R2;
  • 21.1R1;
  • 17.2 version 17.2R1 and later versions;
  • 17.3 versions prior to 17.3R3-S9;
  • 17.4 versions prior to 17.4R2-S12, 17.4R3-S3;
  • 18.1 versions prior to 18.1R3-S11;
  • 18.2 versions prior to 18.2R2-S6, 18.2R3-S3;
  • 18.3 versions prior to 18.3R2-S4, 18.3R3-S1;
  • 18.4 versions prior to 18.4R1-S8, 18.4R2-S5, 18.4R3;
  • 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3;
  • 19.2 versions prior to 19.2R1-S5, 19.2R2;
  • 19.3 versions prior to 19.3R2-S5, 19.3R3.
• JUNOS OS on EX2300 Series, EX3400 Series, and ACX710:
  • All versions prior to 18.1R3-S13;
  • 18.2 versions prior to 18.2R3-S8;
  • 18.3 versions prior to 18.3R3-S5;
  • 18.4 versions prior to 18.4R2-S8, 18.4R3-S9;
  • 19.1 versions prior to 19.1R3-S5;
  • 19.2 versions prior to 19.2R1-S7, 19.2R3-S3;
  • 19.3 versions prior to 19.3R2-S6, 19.3R3-S2;
  • 19.4 versions prior to 19.4R1-S4, 19.4R3-S3;
  • 20.1 versions prior to 20.1R2-S2, 20.1R3;
  • 20.2 versions prior to 20.2R3;
  • 20.3 versions prior to 20.3R2-S1, 20.3R3;
  • 20.4 versions prior to 20.4R2.
• Junos OS on SRX Series:
  • 18.2 versions prior to 18.2R3-S8;
  • 18.3 versions prior to 18.3R3-S5;
  • 18.4 versions prior to 18.4R3-S8;
  • 19.1 versions prior to 19.1R3-S5;
  • 19.2 versions prior to 19.2R1-S7, 19.2R3-S3;
  • 19.3 versions prior to 19.3R2-S6, 19.3R3-S3;
  • 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S3;
  • 20.1 versions prior to 20.1R2-S2, 20.1R3;
  • 20.2 versions prior to 20.2R3-S1;
  • 20.3 versions prior to 20.3R2-S1, 20.3R3.

Threats:

Allows an unauthenticated attacker to perform the following:

• Privilege escalation
• Man-in-the-Middle (MitM)

Best practice and Recommendations:

The CERT team encourages users to review Juniper security advisory and apply the necessary update:

• Juniper