Cambium Networks cnMaestro use of Potentially Dangerous Function
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
cnMaestro is vulnerable to a local privilege escalation. By default, a user does not have root privileges. However, a user can run scripts as sudo, which could allow an attacker to gain root privileges when running user scripts outside allowed commands.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| Cambium Networks | cnMaestro | before 3.0.3-r32; before 2.4.2-r29; before 3.0.0-r34 | 3.0.3-r32, 2.4.2-r29, 3.0.0-r34 | Patch available | CNA |
- cnMaestro VendorCambium Networks Affected before 3.0.3-r32; before 2.4.2-r29; before 3.0.0-r34 Fixed in 3.0.3-r32, 2.4.2-r29, 3.0.0-r34 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cambiumnetworks:cnmaestro:2.4.2:*:*:*:on_premises:*:*:* | 2.4.2 | Vulnerable | Cambiumnetworks |
| cpe:2.3:o:cambiumnetworks:cnmaestro:3.0.0:*:*:*:on_premises:*:*:* | 3.0.0 | Vulnerable | Cambiumnetworks |
| cpe:2.3:o:cambiumnetworks:cnmaestro:3.0.3:*:*:*:on_premises:*:*:* | 3.0.3 | Vulnerable | Cambiumnetworks |
- cpe:2.3:o:cambiumnetworks:cnmaestro:2.4.2:*:*:*:on_premises:*:*:* Versions 2.4.2 Vulnerable ·Cambiumnetworks
- cpe:2.3:o:cambiumnetworks:cnmaestro:3.0.0:*:*:*:on_premises:*:*:* Versions 3.0.0 Vulnerable ·Cambiumnetworks
- cpe:2.3:o:cambiumnetworks:cnmaestro:3.0.3:*:*:*:on_premises:*:*:* Versions 3.0.3 Vulnerable ·Cambiumnetworks
Remediation
- Fix · CNA cnMaestro (Cambium Networks) Fixed in 3.0.3-r32, 2.4.2-r29, 3.0.0-r34
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Cambium Networks cnMaestro 2.4.2-r29, 3.0.0-r34, 3.0.3-r32
7 records Highest priority Priority MEDIUM 2 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2022-01239 Cambium Networks cnMaestro OS Command InjectionPriority MEDIUM 52
- TI-2022-01242 Cambium Networks cnMaestro OS Command InjectionPriority MEDIUM 46
- TI-2022-01243 Cambium Networks cnMaestro SQL InjectionPriority LOW 37
Timeline
- 2026-10-02 Threatist record created from CVE-2022-1356
- 2026-10-03 Alias added: GHSA-wh7v-f6f5-qm4x
References
More Cambium Networks vulnerabilities
- TI-2017-03362 OS command injection in Cambium Networks ePMP CVSS 3.0HIGH 8.8
- TI-2017-03361 Improper access control in Cambium Networks ePMP CVSS 3.0HIGH 8.8
- TI-2017-03366 Cleartext transmission of sensitive information in Cambium Networks cnPilot CVSS 3.0HIGH 8.8
- TI-2022-01239 Cambium Networks cnMaestro OS Command Injection CVSS 3.1CRITICAL 9.8
- TI-2017-03368 Path traversal in Cambium Networks cnPilot CVSS 3.0HIGH 8.8
- TI-2017-03367 Incorrect permission assignment in Cambium Networks cnPilot CVSS 3.0HIGH 8.8
Sources
- CVE-2022-1356 · CVE Program
- CVE-2022-1356 · NVD
- FIRST EPSS
- GHSA-wh7v-f6f5-qm4x · GitHub Advisory Database · CC BY 4.0
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