# CVE-2022-22160

## Summary

- **CVE ID:** CVE-2022-22160
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-391
- **Published:** Jan 19, 2022
- **Last Modified:** Mar 13, 2026

## Description

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.

## Affected Products

- Juniper Networks — Junos OS (unspecified)
- Juniper Networks — Junos OS (16.1R1)
- Juniper Networks — Junos OS (19.2)
- Juniper Networks — Junos OS (19.3)
- Juniper Networks — Junos OS (19.4)
- Juniper Networks — Junos OS (20.1)
- Juniper Networks — Junos OS (20.2)
- Juniper Networks — Junos OS (19.1)
- Juniper Networks — Junos OS (20.3)
- Juniper Networks — Junos OS (20.4)
- Juniper Networks — Junos OS (21.1)
- Juniper Networks — Junos OS (21.2)

## References

- [CNA](https://kb.juniper.net/JSA11268)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.08%
- **EPSS Percentile:** 23.8

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._