Vulnerability Database

346,508

Total vulnerabilities in the database

CVE-2022-22160 — juniper / junos

Unchecked Error Condition

An Unchecked Error Condition vulnerability in the subscriber management daemon (smgd) of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a crash of and thereby a Denial of Service (DoS). In a subscriber management / broadband edge environment if a single session group configuration contains dual-stack and a pp0 interface, smgd will crash and restart every time a PPPoE client sends a specific message. This issue affects Juniper Networks Junos OS on MX Series: 16.1 version 16.1R1 and later versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 16.1R1.

  • Published: Jan 19, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2022-22160
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 2.9
  • AV:A/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
juniper / junos 16.1-r 16.1-r.x
juniper / junos 16.1-r1 16.1-r1.x
juniper / junos 16.1-r4-s4 16.1-r4-s4.x
juniper / junos 16.1-r4 16.1-r4.x
juniper / junos 16.1-r3 16.1-r3.x
juniper / junos 16.1-r5 16.1-r5.x
juniper / junos 16.1-r2 16.1-r2.x
juniper / junos 16.1-r6 16.1-r6.x
juniper / junos 16.1-r5-s4 16.1-r5-s4.x
juniper / junos 16.1-r6-s1 16.1-r6-s1.x
juniper / junos 16.1-r7 16.1-r7.x
juniper / junos 16.1-r4-s9 16.1-r4-s9.x
juniper / junos 16.1-r6-s3 16.1-r6-s3.x
juniper / junos 16.1-r4-s3 16.1-r4-s3.x
juniper / junos 16.1-r4-s8 16.1-r4-s8.x
juniper / junos 16.1-r6-s6 16.1-r6-s6.x
juniper / junos 16.1-r3-s8 16.1-r3-s8.x
juniper / junos 16.1-r6-s4 16.1-r6-s4.x
juniper / junos 16.1-r3-s10 16.1-r3-s10.x
juniper / junos 16.1 16.1.x
juniper / junos 16.1-r3-s11 16.1-r3-s11.x
juniper / junos 16.1-r7-s3 16.1-r7-s3.x
juniper / junos 16.1-r7-s4 16.1-r7-s4.x
juniper / junos 16.1-r7-s2 16.1-r7-s2.x
juniper / junos 16.1-r7-s5 16.1-r7-s5.x
juniper / junos 16.1-r4-s12 16.1-r4-s12.x
juniper / junos 16.1-r4-s6 16.1-r4-s6.x
juniper / junos 16.1-r4-s2 16.1-r4-s2.x
juniper / junos 16.1-r7-s6 16.1-r7-s6.x
juniper / junos 16.1-r7-s7 16.1-r7-s7.x
juniper / junos 16.1-r7-s8 16.1-r7-s8.x
juniper / junos 16.1x65 16.1x65.x
juniper / junos 16.1x65-d20 16.1x65-d20.x
juniper / junos 16.1x65-d30 16.1x65-d30.x
juniper / junos 16.1x65-d35 16.1x65-d35.x
juniper / junos 16.1x65-d40 16.1x65-d40.x
juniper / junos 16.1x65-d48 16.1x65-d48.x
juniper / junos 16.1x70 16.1x70.x
juniper / junos 16.2-r1-s6 16.2-r1-s6.x
juniper / junos 16.2-r1 16.2-r1.x
juniper / junos 16.2-r2 16.2-r2.x
juniper / junos 16.2-r3 16.2-r3.x
juniper / junos 16.2-r2-s5 16.2-r2-s5.x
juniper / junos 16.2 16.2.x
juniper / junos 16.2-r2-s1 16.2-r2-s1.x
juniper / junos 16.2-r2-s2 16.2-r2-s2.x
juniper / junos 16.2-r2-s6 16.2-r2-s6.x
juniper / junos 16.2-r2-s7 16.2-r2-s7.x
juniper / junos 16.2-r2-s8 16.2-r2-s8.x
juniper / junos 16.2-r2-s10 16.2-r2-s10.x
juniper / junos 16.2-r2-s9 16.2-r2-s9.x
juniper / junos 17.1-r2-s8 17.1-r2-s8.x
juniper / junos 17.1-r2-s11 17.1-r2-s11.x
juniper / junos 17.1-r3-s1 17.1-r3-s1.x
juniper / junos 17.1-r3-s3 17.1-r3-s3.x
juniper / junos 17.1-r3-s2 17.1-r3-s2.x
juniper / junos 17.1-r2-s9 17.1-r2-s9.x
juniper / junos 17.1-r2-s10 17.1-r2-s10.x
juniper / junos 17.1-r2-s1 17.1-r2-s1.x
juniper / junos 17.1-r2-s2 17.1-r2-s2.x
juniper / junos 17.1-r2-s3 17.1-r2-s3.x
juniper / junos 17.1-r2-s4 17.1-r2-s4.x
juniper / junos 17.1-r2-s5 17.1-r2-s5.x
juniper / junos 17.1-r2-s6 17.1-r2-s6.x
juniper / junos 17.1 17.1.x
juniper / junos 17.1-r2-s7 17.1-r2-s7.x
juniper / junos 17.1-r1 17.1-r1.x
juniper / junos 17.1-r3 17.1-r3.x
juniper / junos 17.1-r1-s7 17.1-r1-s7.x
juniper / junos 17.1-r2 17.1-r2.x
juniper / junos 17.2-r2 17.2-r2.x
juniper / junos 17.2-r1-s2 17.2-r1-s2.x
juniper / junos 17.2-r3 17.2-r3.x
juniper / junos 17.2-r1-s6 17.2-r1-s6.x
juniper / junos 17.2-r2-s6 17.2-r2-s6.x
juniper / junos 17.2-r1-s7 17.2-r1-s7.x
juniper / junos 17.2-r1-s1 17.2-r1-s1.x
juniper / junos 17.2-r1-s3 17.2-r1-s3.x
juniper / junos 17.2-r1-s5 17.2-r1-s5.x
juniper / junos 17.2-r1 17.2-r1.x
juniper / junos 17.2-r2-s4 17.2-r2-s4.x
juniper / junos 17.2 17.2.x
juniper / junos 17.2-r1-s4 17.2-r1-s4.x
juniper / junos 17.2-r2-s7 17.2-r2-s7.x
juniper / junos 17.2-r3-s2 17.2-r3-s2.x
juniper / junos 17.2-r3-s1 17.2-r3-s1.x
juniper / junos 17.2-r1-s8 17.2-r1-s8.x
juniper / junos 17.2-r3-s4 17.2-r3-s4.x
juniper / junos 17.2-r3-s3 17.2-r3-s3.x
juniper / junos 17.2-r2-s11 17.2-r2-s11.x
juniper / junos 17.2x75-d92 17.2x75-d92.x
juniper / junos 17.2x75 17.2x75.x
juniper / junos 17.2x75-d90 17.2x75-d90.x
juniper / junos 17.2x75-d110 17.2x75-d110.x
juniper / junos 17.2x75-d70 17.2x75-d70.x
juniper / junos 17.2x75-d102 17.2x75-d102.x
juniper / junos 17.2x75-d91 17.2x75-d91.x
juniper / junos 17.2x75-d100 17.2x75-d100.x
juniper / junos 17.2x75-d50 17.2x75-d50.x
juniper / junos 17.3-r1-s4 17.3-r1-s4.x
juniper / junos 17.3-r1 17.3-r1.x
juniper / junos 17.3-r2 17.3-r2.x
juniper / junos 17.3-r2-s2 17.3-r2-s2.x
juniper / junos 17.3-r3 17.3-r3.x
juniper / junos 17.3 17.3.x
juniper / junos 17.3-r2-s1 17.3-r2-s1.x
juniper / junos 17.3-r3-s1 17.3-r3-s1.x
juniper / junos 17.3-r3-s2 17.3-r3-s2.x
juniper / junos 17.3-r3-s6 17.3-r3-s6.x
juniper / junos 17.3-r3-s4 17.3-r3-s4.x
juniper / junos 17.3-r3-s5 17.3-r3-s5.x
juniper / junos 17.3-r3-s3 17.3-r3-s3.x
juniper / junos 17.3-r2-s4 17.3-r2-s4.x
juniper / junos 17.3-r2-s3 17.3-r2-s3.x
juniper / junos 17.3-r1-s1 17.3-r1-s1.x
juniper / junos 17.3-r2-s5 17.3-r2-s5.x
juniper / junos 17.3-r3-s7 17.3-r3-s7.x
juniper / junos 17.3-r3-s11 17.3-r3-s11.x
juniper / junos 17.3-r3-s8 17.3-r3-s8.x
juniper / junos 17.3-r3-s9 17.3-r3-s9.x
juniper / junos 17.3-r3-s10 17.3-r3-s10.x
juniper / junos 17.3-r4 17.3-r4.x
juniper / junos 17.3-r3-s12 17.3-r3-s12.x
juniper / junos 17.4-r3-s5 17.4-r3-s5.x
juniper / junos 17.4-r2-s13 17.4-r2-s13.x
juniper / junos 17.4-r2-s11 17.4-r2-s11.x
juniper / junos 17.4-r3-s2 17.4-r3-s2.x
juniper / junos 17.4-r3-s3 17.4-r3-s3.x
juniper / junos 17.4-r3-s4 17.4-r3-s4.x
juniper / junos 17.4-r2-s12 17.4-r2-s12.x
juniper / junos 17.4-r3-s1 17.4-r3-s1.x
juniper / junos 17.4-r2-s9 17.4-r2-s9.x
juniper / junos 17.4-r2-s10 17.4-r2-s10.x
juniper / junos 17.4-r2-s8 17.4-r2-s8.x
juniper / junos 17.4-r1-s7 17.4-r1-s7.x
juniper / junos 17.4-r1-s5 17.4-r1-s5.x
juniper / junos 17.4-r2-s3 17.4-r2-s3.x
juniper / junos 17.4-r2-s4 17.4-r2-s4.x
juniper / junos 17.4-r1-s6 17.4-r1-s6.x
juniper / junos 17.4-r1-s4 17.4-r1-s4.x
juniper / junos 17.4-r2-s5 17.4-r2-s5.x
juniper / junos 17.4-r2-s6 17.4-r2-s6.x
juniper / junos 17.4-r2-s7 17.4-r2-s7.x
juniper / junos 17.4-r1-s2 17.4-r1-s2.x
juniper / junos 17.4 17.4.x
juniper / junos 17.4-r3 17.4-r3.x
juniper / junos 17.4-r2-s1 17.4-r2-s1.x
juniper / junos 17.4-r1 17.4-r1.x
juniper / junos 17.4-r2 17.4-r2.x
juniper / junos 17.4-r1-s3 17.4-r1-s3.x
juniper / junos 17.4-r2-s2 17.4-r2-s2.x
juniper / junos 17.4-r1-s1 17.4-r1-s1.x
juniper / junos 17.4r2 17.4r2.x
juniper / junos 18.1-r3-s4 18.1-r3-s4.x
juniper / junos 18.1-r3-s3 18.1-r3-s3.x
juniper / junos 18.1-r3-s2 18.1-r3-s2.x
juniper / junos 18.1-r2-s1 18.1-r2-s1.x
juniper / junos 18.1-r2-s4 18.1-r2-s4.x
juniper / junos 18.1-r2-s2 18.1-r2-s2.x
juniper / junos 18.1-r3-s5 18.1-r3-s5.x
juniper / junos 18.1-r3-s1 18.1-r3-s1.x
juniper / junos 18.1-r2 18.1-r2.x
juniper / junos 18.1-r3 18.1-r3.x
juniper / junos 18.1-r1 18.1-r1.x
juniper / junos 18.1-r3-s6 18.1-r3-s6.x
juniper / junos 18.1-r3-s7 18.1-r3-s7.x
juniper / junos 18.1-r3-s9 18.1-r3-s9.x
juniper / junos 18.1-r3-s8 18.1-r3-s8.x
juniper / junos 18.1-r3-s12 18.1-r3-s12.x
juniper / junos 18.1-r3-s11 18.1-r3-s11.x
juniper / junos 18.1-r3-s10 18.1-r3-s10.x
juniper / junos 18.1-r3-s13 18.1-r3-s13.x
juniper / junos 18.1-r4 18.1-r4.x
juniper / junos 18.1x75-d10 18.1x75-d10.x
juniper / junos 18.1x75 18.1x75.x
juniper / junos 18.2-r2-s5 18.2-r2-s5.x
juniper / junos 18.2-r2-s6 18.2-r2-s6.x
juniper / junos 18.2-r3 18.2-r3.x
juniper / junos 18.2-r3-s1 18.2-r3-s1.x
juniper / junos 18.2-r3-s2 18.2-r3-s2.x
juniper / junos 18.2-r3-s3 18.2-r3-s3.x
juniper / junos 18.2-r3-s5 18.2-r3-s5.x
juniper / junos 18.2-r3-s4 18.2-r3-s4.x
juniper / junos 18.2-r3-s6 18.2-r3-s6.x
juniper / junos 18.2-r1-s2 18.2-r1-s2.x
juniper / junos 18.2-r2-s7 18.2-r2-s7.x
juniper / junos 18.2-r3-s7 18.2-r3-s7.x
juniper / junos 18.2-r1 18.2-r1.x
juniper / junos 18.2 18.2.x
juniper / junos 18.2-r2-s1 18.2-r2-s1.x
juniper / junos 18.2-r2-s2 18.2-r2-s2.x
juniper / junos 18.2-r1-s3 18.2-r1-s3.x
juniper / junos 18.2-r2-s3 18.2-r2-s3.x
juniper / junos 18.2-r2-s4 18.2-r2-s4.x
juniper / junos 18.2-r1-s4 18.2-r1-s4.x
juniper / junos 18.2-r1-s5 18.2-r1-s5.x
juniper / junos 18.2-r2 18.2-r2.x
juniper / junos 18.2-r2-s8 18.2-r2-s8.x
juniper / junos 18.2-r3-s8 18.2-r3-s8.x
juniper / junos 18.2-r 18.2-r.x
juniper / junos 18.2x75 18.2x75.x
juniper / junos 18.2x75-d20 18.2x75-d20.x
juniper / junos 18.2x75-d5 18.2x75-d5.x
juniper / junos 18.2x75-d60 18.2x75-d60.x
juniper / junos 18.2x75-d50 18.2x75-d50.x
juniper / junos 18.2x75-d12 18.2x75-d12.x
juniper / junos 18.2x75-d51 18.2x75-d51.x
juniper / junos 18.2x75-d411 18.2x75-d411.x
juniper / junos 18.2x75-d30 18.2x75-d30.x
juniper / junos 18.2x75-d40 18.2x75-d40.x
juniper / junos 18.2x75-d10 18.2x75-d10.x
juniper / junos 18.3-r 18.3-r.x
juniper / junos 18.3-r3-s5 18.3-r3-s5.x
juniper / junos 18.3-r1-s3 18.3-r1-s3.x
juniper / junos 18.3-r1-s4 18.3-r1-s4.x
juniper / junos 18.3-r1-s2 18.3-r1-s2.x
juniper / junos 18.3 18.3.x
juniper / junos 18.3-r2 18.3-r2.x
juniper / junos 18.3-r1 18.3-r1.x
juniper / junos 18.3-r1-s1 18.3-r1-s1.x
juniper / junos 18.3-r1-s6 18.3-r1-s6.x
juniper / junos 18.3-r1-s5 18.3-r1-s5.x
juniper / junos 18.3-r2-s1 18.3-r2-s1.x
juniper / junos 18.3-r2-s2 18.3-r2-s2.x
juniper / junos 18.3-r2-s3 18.3-r2-s3.x
juniper / junos 18.3-r3 18.3-r3.x
juniper / junos 18.3-r3-s1 18.3-r3-s1.x
juniper / junos 18.3-r2-s4 18.3-r2-s4.x
juniper / junos 18.3-r3-s2 18.3-r3-s2.x
juniper / junos 18.3-r3-s3 18.3-r3-s3.x
juniper / junos 18.3-r3-s4 18.3-r3-s4.x
juniper / junos 18.4-r2-s7 18.4-r2-s7.x
juniper / junos 18.4-r2-s5 18.4-r2-s5.x
juniper / junos 18.4-r2-s6 18.4-r2-s6.x
juniper / junos 18.4-r1-s7 18.4-r1-s7.x
juniper / junos 18.4-r2-s3 18.4-r2-s3.x
juniper / junos 18.4-r1-s6 18.4-r1-s6.x
juniper / junos 18.4-r2-s4 18.4-r2-s4.x
juniper / junos 18.4-r2-s1 18.4-r2-s1.x
juniper / junos 18.4-r2-s2 18.4-r2-s2.x
juniper / junos 18.4-r1-s5 18.4-r1-s5.x
juniper / junos 18.4-r2 18.4-r2.x
juniper / junos 18.4-r1 18.4-r1.x
juniper / junos 18.4 18.4.x
juniper / junos 18.4-r1-s3 18.4-r1-s3.x
juniper / junos 18.4-r1-s4 18.4-r1-s4.x
juniper / junos 18.4-r1-s2 18.4-r1-s2.x
juniper / junos 18.4-r1-s1 18.4-r1-s1.x
juniper / junos 18.4-r3-s9 18.4-r3-s9.x
juniper / junos 18.4-r2-s8 18.4-r2-s8.x
juniper / junos 19.1-r3-s5 19.1-r3-s5.x
juniper / junos 19.1-r3-s6 19.1-r3-s6.x
juniper / junos 19.1-r1 19.1-r1.x
juniper / junos 19.1 19.1.x
juniper / junos 19.1-r1-s1 19.1-r1-s1.x
juniper / junos 19.1-r1-s3 19.1-r1-s3.x
juniper / junos 19.1-r1-s2 19.1-r1-s2.x
juniper / junos 19.1-r2-s1 19.1-r2-s1.x
juniper / junos 19.1-r3 19.1-r3.x
juniper / junos 19.1-r3-s1 19.1-r3-s1.x
juniper / junos 19.1-r1-s4 19.1-r1-s4.x
juniper / junos 19.1-r2 19.1-r2.x
juniper / junos 19.1-r1-s5 19.1-r1-s5.x
juniper / junos 19.1-r3-s2 19.1-r3-s2.x
juniper / junos 19.1-r1-s6 19.1-r1-s6.x
juniper / junos 19.1-r2-s2 19.1-r2-s2.x
juniper / junos 19.1-r3-s4 19.1-r3-s4.x
juniper / junos 19.1-r3-s3 19.1-r3-s3.x
juniper / junos 19.2-r3-s1 19.2-r3-s1.x
juniper / junos 19.2-r1-s6 19.2-r1-s6.x
juniper / junos 19.2-r1-s5 19.2-r1-s5.x
juniper / junos 19.2-r1-s3 19.2-r1-s3.x
juniper / junos 19.2-r1-s4 19.2-r1-s4.x
juniper / junos 19.2-r1-s1 19.2-r1-s1.x
juniper / junos 19.2-r1-s2 19.2-r1-s2.x
juniper / junos 19.2 19.2.x
juniper / junos 19.2-r1 19.2-r1.x
juniper / junos 19.2-r1-s7 19.2-r1-s7.x
juniper / junos 19.2-r3-s3 19.2-r3-s3.x
juniper / junos 19.2-r3-s2 19.2-r3-s2.x
juniper / junos 19.3-r3-s2 19.3-r3-s2.x
juniper / junos 19.3-r3-s1 19.3-r3-s1.x
juniper / junos 19.3-r3-s3 19.3-r3-s3.x
juniper / junos 19.3-r2-s6 19.3-r2-s6.x
juniper / junos 19.3 19.3.x
juniper / junos 19.3-r1 19.3-r1.x
juniper / junos 19.3-r2-s1 19.3-r2-s1.x
juniper / junos 19.3-r1-s1 19.3-r1-s1.x
juniper / junos 19.3-r2 19.3-r2.x
juniper / junos 19.3-r2-s2 19.3-r2-s2.x
juniper / junos 19.3-r2-s5 19.3-r2-s5.x
juniper / junos 19.3-r3 19.3-r3.x
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Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.