Junos OS Evolved: PTX Series: An attacker can cause a kernel panic by sending a malformed TCP packet to the device
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An Improper Validation of Syntactic Correctness of Input vulnerability in the kernel of Juniper Networks Junos OS Evolved on PTX series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). When an incoming TCP packet destined to the device is malformed there is a possibility of a kernel panic. Only TCP packets destined to the ports for BGP, LDP and MSDP can trigger this. This issue only affects PTX10004, PTX10008, PTX10016. No other PTX Series devices or other platforms are affected. This issue affects Juniper Networks Junos OS Evolved: 20.4-EVO versions prior to 20.4R3-S4-EVO; 21.3-EVO versions prior to 21.3R3-EVO; 21.4-EVO versions prior to 21.4R3-EVO; 22.1-EVO versions prior to 22.1R2-EVO. This issue does not affect Juniper Networks Junos OS Evolved versions prior to 20.4R1-EVO.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Juniper | Junos OS Evolved | 20.4-EVO to before 20.4R3-S4-EVO; 21.3-EVO to before 21.3R3-EVO; 21.4-EVO to before 21.4R3-EVO; 22.1-EVO to before 22.1R2-EVO | 20.4R3-S4-EVO, 21.3R3-EVO, 21.4R3-EVO, 22.1R2-EVO | Patch available | CNA |
- Junos OS Evolved VendorJuniper Affected 20.4-EVO to before 20.4R3-S4-EVO; 21.3-EVO to before 21.3R3-EVO; 21.4-EVO to before 21.4R3-EVO; 22.1-EVO to before 22.1R2-EVO Fixed in 20.4R3-S4-EVO, 21.3R3-EVO, 21.4R3-EVO, 22.1R2-EVO Patch available CNA
CPE configurations NVD · 28
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:* | 20.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:* | 20.4 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s2:*:*:*:*:*:* | 20.4 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r2:*:*:*:*:*:* | 20.4 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s1:*:*:*:*:*:* | 20.4 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s2:*:*:*:*:*:* | 20.4 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s3:*:*:*:*:*:* | 20.4 r2-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3:*:*:*:*:*:* | 20.4 r3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s1:*:*:*:*:*:* | 20.4 r3-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s2:*:*:*:*:*:* | 20.4 r3-s2 | Vulnerable | Juniper |
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:* Versions 20.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:* Versions 20.4 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s2:*:*:*:*:*:* Versions 20.4 r1-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r2:*:*:*:*:*:* Versions 20.4 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s1:*:*:*:*:*:* Versions 20.4 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s2:*:*:*:*:*:* Versions 20.4 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s3:*:*:*:*:*:* Versions 20.4 r2-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3:*:*:*:*:*:* Versions 20.4 r3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s1:*:*:*:*:*:* Versions 20.4 r3-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s2:*:*:*:*:*:* Versions 20.4 r3-s2 Vulnerable ·Juniper
Show 18 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s3:*:*:*:*:*:* | 20.4 r3-s3 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r1:*:*:*:*:*:* | 21.3 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r1-s1:*:*:*:*:*:* | 21.3 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r2:*:*:*:*:*:* | 21.3 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s1:*:*:*:*:*:* | 21.3 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s2:*:*:*:*:*:* | 21.3 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* | 21.4 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* | 21.4 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* | 21.4 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:* | 21.4 r2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:* | 21.4 r2-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:* | 21.4 r2-s2 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:* | 22.1 r1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:* | 22.1 r1-s1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s2:*:*:*:*:*:* | 22.1 r1-s2 | Vulnerable | Juniper |
| cpe:2.3:h:juniper:ptx10004:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:ptx10008:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:ptx10016:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
- cpe:2.3:o:juniper:junos_os_evolved:20.4:r3-s3:*:*:*:*:*:* Versions 20.4 r3-s3 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r1:*:*:*:*:*:* Versions 21.3 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r1-s1:*:*:*:*:*:* Versions 21.3 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r2:*:*:*:*:*:* Versions 21.3 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s1:*:*:*:*:*:* Versions 21.3 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.3:r2-s2:*:*:*:*:*:* Versions 21.3 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* Versions 21.4 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* Versions 21.4 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* Versions 21.4 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:* Versions 21.4 r2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:* Versions 21.4 r2-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:* Versions 21.4 r2-s2 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:22.1:r1:*:*:*:*:*:* Versions 22.1 r1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s1:*:*:*:*:*:* Versions 22.1 r1-s1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos_os_evolved:22.1:r1-s2:*:*:*:*:*:* Versions 22.1 r1-s2 Vulnerable ·Juniper
- cpe:2.3:h:juniper:ptx10004:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:ptx10008:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:ptx10016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
Remediation
- Fix · CNA Junos OS Evolved (Juniper Networks) Fixed in 20.4R3-S4-EVO, 21.3R3-EVO, 21.4R3-EVO, 22.1R2-EVO
Timeline
- 2026-10-02 Threatist record created from CVE-2022-22192
- 2026-10-03 Alias added: GHSA-pgf8-mcvj-26jv
References
Advisory 1
More Juniper Junos Os Evolved vulnerabilities
- TI-2026-17602 Junos OS Evolved: PTX Series: A vulnerability allows a unauthenticated, network-based attacker to execute code as root CVSS 4.0CRITICAL 9.3
- TI-2026-17601 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash CVSS 4.0MEDIUM 6.7
- TI-2023-04136 Improper input validation in Juniper Junos OS CVSS 3.1HIGH 7.5
- TI-2026-74215 Stack-based buffer overflow in Junos OS rpd triggered by BGP peers CVSS 4.0CRITICAL 9.3
- TI-2026-74211 Authentication bypass in Juniper J-Web allows pre-auth CGI execution CVSS 4.0CRITICAL 9.3
- TI-2021-00146 Junos OS and Junos OS Evolved: Upon receipt of a specific BGP FlowSpec message network traffic may be disrupted. CVSS 3.1CRITICAL 10.0
Sources
- CVE-2022-22192 · CVE Program
- CVE-2022-22192 · NVD
- FIRST EPSS
- GHSA-pgf8-mcvj-26jv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences