Improper input validation in Juniper Junos OS
Priority LOW 38CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An Improper Input Validation weakness allows a malicious local attacker to elevate their permissions to take control of other portions of the NFX platform they should not be able to access, and execute commands outside their authorized scope of control. This leads to the attacker being able to take control of the entire system. This issue affects: Juniper Networks Junos OS versions prior to 18.2R1 on NFX Series.
Why it matters now
EPSS 0.00395 33rd percentileScored 2026-11-07
Fix Fixed Junos OS (Juniper Networks): 18.2R1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Juniper | Junos OS | before 18.2R1 | 18.2R1 | Patch available | CNA |
- Junos OS VendorJuniper Affected before 18.2R1 Fixed in 18.2R1 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* | up to 18.1 | Vulnerable | Juniper |
| cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:* | 18.2 | Vulnerable | Juniper |
| cpe:2.3:h:juniper:nfx150:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
| cpe:2.3:h:juniper:nfx250:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Juniper |
- cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* Versions up to 18.1 Vulnerable ·Juniper
- cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:* Versions 18.2 Vulnerable ·Juniper
- cpe:2.3:h:juniper:nfx150:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
- cpe:2.3:h:juniper:nfx250:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
Remediation
- Fix · CNA Junos OS (Juniper Networks) Fixed in 18.2R1
Timeline
- 2026-10-02 Threatist record created from CVE-2019-0070
- 2026-10-03 Alias added: GHSA-33hc-wv7x-jxjc
References
Advisory 1
More Juniper Junos vulnerabilities
- TI-2023-18638 Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01585 Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) services KEVCVSS 3.1CRITICAL 9.8
- TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
- TI-2025-15550 Junos OS: An local attacker with shell access can execute arbitrary code KEVCVSS 4.0MEDIUM 6.7
- TI-2023-18644 Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files KEVCVSS 3.1MEDIUM 5.3
- TI-2023-18640 Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files KEVCVSS 3.1MEDIUM 5.3
Sources
- CVE-2019-0070 · CVE Program
- CVE-2019-0070 · NVD
- FIRST EPSS
- GHSA-33hc-wv7x-jxjc · 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