Vulnerability Database

393,601

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: Oct 4, 2026
  • CVE: CVE-2022-22160
  • Severity: Medium
  • Exploit:
  • CISA KEV:

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 Affected versions
juniper / junos = 16.1
juniper / junos = 16.1-r
juniper / junos = 16.1-r1
juniper / junos = 16.1-r2
juniper / junos = 16.1-r3
juniper / junos = 16.1-r3-s10
juniper / junos = 16.1-r3-s11
juniper / junos = 16.1-r3-s8
juniper / junos = 16.1-r4
juniper / junos = 16.1-r4-s12
juniper / junos = 16.1-r4-s2
juniper / junos = 16.1-r4-s3
juniper / junos = 16.1-r4-s4
juniper / junos = 16.1-r4-s6
juniper / junos = 16.1-r4-s8
juniper / junos = 16.1-r4-s9
juniper / junos = 16.1-r5
juniper / junos = 16.1-r5-s4
juniper / junos = 16.1-r6
juniper / junos = 16.1-r6-s1
juniper / junos = 16.1-r6-s3
juniper / junos = 16.1-r6-s4
juniper / junos = 16.1-r6-s6
juniper / junos = 16.1-r7
juniper / junos = 16.1-r7-s2
juniper / junos = 16.1-r7-s3
juniper / junos = 16.1-r7-s4
juniper / junos = 16.1-r7-s5
juniper / junos = 16.1-r7-s6
juniper / junos = 16.1-r7-s7
juniper / junos = 16.1-r7-s8
juniper / junos = 16.1x65
juniper / junos = 16.1x65-d20
juniper / junos = 16.1x65-d30
juniper / junos = 16.1x65-d35
juniper / junos = 16.1x65-d40
juniper / junos = 16.1x65-d48
juniper / junos = 16.1x70
juniper / junos = 16.2
juniper / junos = 16.2-r1
juniper / junos = 16.2-r1-s6
juniper / junos = 16.2-r2
juniper / junos = 16.2-r2-s1
juniper / junos = 16.2-r2-s10
juniper / junos = 16.2-r2-s2
juniper / junos = 16.2-r2-s5
juniper / junos = 16.2-r2-s6
juniper / junos = 16.2-r2-s7
juniper / junos = 16.2-r2-s8
juniper / junos = 16.2-r2-s9
juniper / junos = 16.2-r3
juniper / junos = 17.1
juniper / junos = 17.1-r1
juniper / junos = 17.1-r1-s7
juniper / junos = 17.1-r2
juniper / junos = 17.1-r2-s1
juniper / junos = 17.1-r2-s10
juniper / junos = 17.1-r2-s11
juniper / junos = 17.1-r2-s2
juniper / junos = 17.1-r2-s3
juniper / junos = 17.1-r2-s4
juniper / junos = 17.1-r2-s5
juniper / junos = 17.1-r2-s6
juniper / junos = 17.1-r2-s7
juniper / junos = 17.1-r2-s8
juniper / junos = 17.1-r2-s9
juniper / junos = 17.1-r3
juniper / junos = 17.1-r3-s1
juniper / junos = 17.1-r3-s2
juniper / junos = 17.1-r3-s3
juniper / junos = 17.2
juniper / junos = 17.2-r1
juniper / junos = 17.2-r1-s1
juniper / junos = 17.2-r1-s2
juniper / junos = 17.2-r1-s3
juniper / junos = 17.2-r1-s4
juniper / junos = 17.2-r1-s5
juniper / junos = 17.2-r1-s6
juniper / junos = 17.2-r1-s7
juniper / junos = 17.2-r1-s8
juniper / junos = 17.2-r2
juniper / junos = 17.2-r2-s11
juniper / junos = 17.2-r2-s4
juniper / junos = 17.2-r2-s6
juniper / junos = 17.2-r2-s7
juniper / junos = 17.2-r3
juniper / junos = 17.2-r3-s1
juniper / junos = 17.2-r3-s2
juniper / junos = 17.2-r3-s3
juniper / junos = 17.2-r3-s4
juniper / junos = 17.2x75
juniper / junos = 17.2x75-d100
juniper / junos = 17.2x75-d102
juniper / junos = 17.2x75-d110
juniper / junos = 17.2x75-d50
juniper / junos = 17.2x75-d70
juniper / junos = 17.2x75-d90
juniper / junos = 17.2x75-d91
juniper / junos = 17.2x75-d92
juniper / junos = 17.3
juniper / junos = 17.3-r1
juniper / junos = 17.3-r1-s1
juniper / junos = 17.3-r1-s4
juniper / junos = 17.3-r2
juniper / junos = 17.3-r2-s1
juniper / junos = 17.3-r2-s2
juniper / junos = 17.3-r2-s3
juniper / junos = 17.3-r2-s4
juniper / junos = 17.3-r2-s5
juniper / junos = 17.3-r3
juniper / junos = 17.3-r3-s1
juniper / junos = 17.3-r3-s10
juniper / junos = 17.3-r3-s11
juniper / junos = 17.3-r3-s12
juniper / junos = 17.3-r3-s2
juniper / junos = 17.3-r3-s3
juniper / junos = 17.3-r3-s4
juniper / junos = 17.3-r3-s5
juniper / junos = 17.3-r3-s6
juniper / junos = 17.3-r3-s7
juniper / junos = 17.3-r3-s8
juniper / junos = 17.3-r3-s9
juniper / junos = 17.3-r4
juniper / junos = 17.4
juniper / junos = 17.4-r1
juniper / junos = 17.4-r1-s1
juniper / junos = 17.4-r1-s2
juniper / junos = 17.4-r1-s3
juniper / junos = 17.4-r1-s4
juniper / junos = 17.4-r1-s5
juniper / junos = 17.4-r1-s6
juniper / junos = 17.4-r1-s7
juniper / junos = 17.4-r2
juniper / junos = 17.4-r2-s1
juniper / junos = 17.4-r2-s10
juniper / junos = 17.4-r2-s11
juniper / junos = 17.4-r2-s12
juniper / junos = 17.4-r2-s13
juniper / junos = 17.4-r2-s2
juniper / junos = 17.4-r2-s3
juniper / junos = 17.4-r2-s4
juniper / junos = 17.4-r2-s5
juniper / junos = 17.4-r2-s6
juniper / junos = 17.4-r2-s7
juniper / junos = 17.4-r2-s8
juniper / junos = 17.4-r2-s9
juniper / junos = 17.4-r3
juniper / junos = 17.4-r3-s1
juniper / junos = 17.4-r3-s2
juniper / junos = 17.4-r3-s3
juniper / junos = 17.4-r3-s4
juniper / junos = 17.4-r3-s5
juniper / junos = 17.4r2
juniper / junos = 18.1-r1
juniper / junos = 18.1-r2
juniper / junos = 18.1-r2-s1
juniper / junos = 18.1-r2-s2
juniper / junos = 18.1-r2-s4
juniper / junos = 18.1-r3
juniper / junos = 18.1-r3-s1
juniper / junos = 18.1-r3-s10
juniper / junos = 18.1-r3-s11
juniper / junos = 18.1-r3-s12
juniper / junos = 18.1-r3-s13
juniper / junos = 18.1-r3-s2
juniper / junos = 18.1-r3-s3
juniper / junos = 18.1-r3-s4
juniper / junos = 18.1-r3-s5
juniper / junos = 18.1-r3-s6
juniper / junos = 18.1-r3-s7
juniper / junos = 18.1-r3-s8
juniper / junos = 18.1-r3-s9
juniper / junos = 18.1-r4
juniper / junos = 18.1x75
juniper / junos = 18.1x75-d10
juniper / junos = 18.2
juniper / junos = 18.2-r
juniper / junos = 18.2-r1
juniper / junos = 18.2-r1-s2
juniper / junos = 18.2-r1-s3
juniper / junos = 18.2-r1-s4
juniper / junos = 18.2-r1-s5
juniper / junos = 18.2-r2
juniper / junos = 18.2-r2-s1
juniper / junos = 18.2-r2-s2
juniper / junos = 18.2-r2-s3
juniper / junos = 18.2-r2-s4
juniper / junos = 18.2-r2-s5
juniper / junos = 18.2-r2-s6
juniper / junos = 18.2-r2-s7
juniper / junos = 18.2-r2-s8
juniper / junos = 18.2-r3
juniper / junos = 18.2-r3-s1
juniper / junos = 18.2-r3-s2
juniper / junos = 18.2-r3-s3
juniper / junos = 18.2-r3-s4
juniper / junos = 18.2-r3-s5
juniper / junos = 18.2-r3-s6
juniper / junos = 18.2-r3-s7
juniper / junos = 18.2-r3-s8
juniper / junos = 18.2x75
juniper / junos = 18.2x75-d12
juniper / junos = 18.2x75-d20
juniper / junos = 18.2x75-d30
juniper / junos = 18.2x75-d40
juniper / junos = 18.2x75-d411
juniper / junos = 18.2x75-d5
juniper / junos = 18.2x75-d50
juniper / junos = 18.2x75-d51
juniper / junos = 18.2x75-d60
juniper / junos = 18.2x75-d10
juniper / junos = 18.3
juniper / junos = 18.3-r
juniper / junos = 18.3-r1
juniper / junos = 18.3-r1-s1
juniper / junos = 18.3-r1-s2
juniper / junos = 18.3-r1-s3
juniper / junos = 18.3-r1-s4
juniper / junos = 18.3-r1-s5
juniper / junos = 18.3-r1-s6
juniper / junos = 18.3-r2
juniper / junos = 18.3-r2-s1
juniper / junos = 18.3-r2-s2
juniper / junos = 18.3-r2-s3
juniper / junos = 18.3-r2-s4
juniper / junos = 18.3-r3
juniper / junos = 18.3-r3-s1
juniper / junos = 18.3-r3-s2
juniper / junos = 18.3-r3-s3
juniper / junos = 18.3-r3-s4
juniper / junos = 18.3-r3-s5
juniper / junos = 18.4
juniper / junos = 18.4-r1
juniper / junos = 18.4-r1-s1
juniper / junos = 18.4-r1-s2
juniper / junos = 18.4-r1-s3
juniper / junos = 18.4-r1-s4
juniper / junos = 18.4-r1-s5
juniper / junos = 18.4-r1-s6
juniper / junos = 18.4-r1-s7
juniper / junos = 18.4-r2
juniper / junos = 18.4-r2-s1
juniper / junos = 18.4-r2-s2
juniper / junos = 18.4-r2-s3
juniper / junos = 18.4-r2-s4
juniper / junos = 18.4-r2-s5
juniper / junos = 18.4-r2-s6
juniper / junos = 18.4-r2-s7
juniper / junos = 18.4-r2-s8
juniper / junos = 18.4-r3-s9
juniper / junos = 19.1
juniper / junos = 19.1-r1
juniper / junos = 19.1-r1-s1
juniper / junos = 19.1-r1-s2
juniper / junos = 19.1-r1-s3
juniper / junos = 19.1-r1-s4
juniper / junos = 19.1-r1-s5
juniper / junos = 19.1-r1-s6
juniper / junos = 19.1-r2
juniper / junos = 19.1-r2-s1
juniper / junos = 19.1-r2-s2
juniper / junos = 19.1-r3
juniper / junos = 19.1-r3-s1
juniper / junos = 19.1-r3-s2
juniper / junos = 19.1-r3-s3
juniper / junos = 19.1-r3-s4
juniper / junos = 19.1-r3-s5
juniper / junos = 19.1-r3-s6
juniper / junos = 19.2
juniper / junos = 19.2-r1
juniper / junos = 19.2-r1-s1
juniper / junos = 19.2-r1-s2
juniper / junos = 19.2-r1-s3
juniper / junos = 19.2-r1-s4
juniper / junos = 19.2-r1-s5
juniper / junos = 19.2-r1-s6
juniper / junos = 19.2-r1-s7
juniper / junos = 19.2-r3-s1
juniper / junos = 19.2-r3-s2
juniper / junos = 19.2-r3-s3
juniper / junos = 19.3
juniper / junos = 19.3-r1
juniper / junos = 19.3-r1-s1
juniper / junos = 19.3-r2
juniper / junos = 19.3-r2-s1
juniper / junos = 19.3-r2-s2
juniper / junos = 19.3-r2-s3
juniper / junos = 19.3-r2-s4
juniper / junos = 19.3-r2-s5
juniper / junos = 19.3-r2-s6
juniper / junos = 19.3-r3
juniper / junos = 19.3-r3-s1
juniper / junos = 19.3-r3-s2
juniper / junos = 19.3-r3-s3
juniper / junos = 19.4
juniper / junos = 19.4-r1
juniper / junos = 19.4-r1-s1
juniper / junos = 19.4-r1-s2
juniper / junos = 19.4-r1-s3
juniper / junos = 19.4-r1-s4
juniper / junos = 19.4-r2
juniper / junos = 19.4-r2-s1
juniper / junos = 19.4-r2-s2
juniper / junos = 19.4-r2-s3
juniper / junos = 19.4-r2-s4
juniper / junos = 19.4-r2-s5
juniper / junos = 19.4-r3
juniper / junos = 19.4-r3-s1
juniper / junos = 19.4-r3-s2
juniper / junos = 19.4-r3-s3
juniper / junos = 19.4-r3-s4
juniper / junos = 20.1
juniper / junos = 20.1-r1
juniper / junos = 20.1-r1-s1
juniper / junos = 20.1-r1-s2
juniper / junos = 20.1-r1-s3
juniper / junos = 20.1-r1-s4
juniper / junos = 20.1-r2
juniper / junos = 20.1-r2-s1
juniper / junos = 20.1-r2-s2
juniper / junos = 20.1-r3
juniper / junos = 20.1-r3-s1
juniper / junos = 20.1-r3-s2
juniper / junos = 20.2
juniper / junos = 20.2-r1
juniper / junos = 20.2-r1-s1
juniper / junos = 20.2-r1-s2
juniper / junos = 20.2-r1-s3
juniper / junos = 20.2-r2
juniper / junos = 20.2-r2-s1
juniper / junos = 20.2-r2-s2
juniper / junos = 20.2-r2-s3
juniper / junos = 20.2-r3
juniper / junos = 20.2-r3-s1
juniper / junos = 20.2-r3-s2
juniper / junos = 20.3
juniper / junos = 20.3-r1
juniper / junos = 20.3-r1-s1
juniper / junos = 20.3-r2
juniper / junos = 20.3-r2-s1
juniper / junos = 20.3-r3
juniper / junos = 20.3-r3-s1
juniper / junos = 20.4
juniper / junos = 20.4-r1
juniper / junos = 20.4-r1-s1
juniper / junos = 20.4-r2
juniper / junos = 20.4-r2-s1
juniper / junos = 20.4-r2-s2
juniper / junos = 21.1
juniper / junos = 21.1-r1
juniper / junos = 21.1-r1-s1
juniper / junos = 21.1-r2
juniper / junos = 21.1-r2-s1
juniper / junos = 21.1-r2-s2
juniper / junos = 21.2
juniper / junos = 21.2-r1
juniper / junos = 21.2-r1-s1
juniper / junos = 21.2-r1-s2

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.