CVE-2022-1356

Cambium Networks cnMaestro use of Potentially Dangerous Function

HIGH

7.8

CVSS Score

Published: May 17, 2022 at 08:11 PM UTC

Updated: June 17, 2026 at 04:22 AM UTC

1 product affected across 1 vendorcnMaestro

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

cnMaestro · Cambiumnetworks

95%

v < 2.4.2-r29v < 3.0.0-r34v < 3.0.3-r322.4.2 3.0.0 3.0.3

Affected range stops below 2.4.2-r29, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.0.0-r34, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.0.3-r32, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party AdvisoryUS Government Resource

Source: [email protected]

https://www.cisa.gov/uscert/ics/advisories/icsa-22-132-04

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-78

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