CLI ACL bypass in Nokia 1830 Global Express (GX) exposes OS shell
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
Summary
Nokia 1830 Global Express (GX) releases G42, GX G31, GX G32, GX G34 prior to GX r9.0 are affected. Improper access control (CWE-284) lets a low-privileged authenticated attacker bypass the SSH isolation mechanism with a custom SSH command and reach the underlying operating system shell. The issue occurs by default and is not the result of misconfiguration.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Nokia 1830 Global Express (GX) is vulnerable to a CLI ACL Bypass vulnerability where a low-privileged authenticated attacker can bypass the SSH isolation mechanism and gain access to the underlying operating system shell via a custom SSH command. This issue occurs by default in the system and is not the result of misconfiguration.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| Nokia | Nokia 1830 Global Express (GX) | G42, GX G31, GX G32, GX G34 releases prior to GX r9.0 | r9.0 and later releases | Patch available | CNA |
- Nokia 1830 Global Express (GX) VendorNokia Affected G42, GX G31, GX G32, GX G34 releases prior to GX r9.0 Fixed in r9.0 and later releases Patch available CNA
Remediation
Update to r9.0 or a later release, which fixes the issue.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Nokia 1830 Global Express (GX) (Nokia) Fixed in r9.0 and later releases
Timeline
- 2026-10-20 Threatist record created from CVE-2026-34485
- 2026-10-20 Alias added: GHSA-3hcg-f3cv-j8xc
- 2026-10-29 CVSS score added · CISA ADP
- 2026-10-29 Weakness changed · CISA ADP
- 2026-10-29 CISA SSVC decision points changed
References
More Nokia vulnerabilities
- TI-2022-12519 /SecurityManagement/html/createuser.jsf in Nokia NetAct 22 allows CSRF. CVSS 3.1HIGH 8.8
- TI-2022-11485 An issue was discovered in Nokia NetAct 22 through the Administration of Measurements… CVSS 3.1HIGH 8.8
- TI-2022-11484 An issue was discovered in Nokia NetAct 22. CVSS 3.1HIGH 8.8
- TI-2023-21971 Nokia Service Router Operating System (SR OS) 22.10 and SR Linux, when error-handling… CVSS 3.1HIGH 7.5
- TI-2022-16599 Nokia Fastmile 3tg00118abad52 devices shipped by Optus are shipped with a default… CVSS 3.1HIGH 8.4
- TI-2022-22690 Nokia Broadcast Message Center (BMC) before 13.1 allows an unauthenticated remote… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-34485 · CVE Program
- CVE-2026-34485 · NVD
- FIRST EPSS
- GHSA-3hcg-f3cv-j8xc · 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