How severe is CVE-2022-1356?

CVE-2022-1356 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-1356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1356?

CVE-2022-1356 primarily affects Cambiumnetworks Cnmaestro. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-1356?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-1356 published?

CVE-2022-1356 was published on 2022-05-17 and last updated on 2026-06-17.

CVE-2022-1356

CVE-2022-1356 is a high-severity vulnerability in Cambiumnetworks Cnmaestro with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 7.2
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Cambiumnetworks Cnmaestro
Published: 2022-05-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-1356?: 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.
How severe is CVE-2022-1356?: CVE-2022-1356 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-1356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1356?: CVE-2022-1356 primarily affects Cambiumnetworks Cnmaestro. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-1356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-1356 published?: CVE-2022-1356 was published on 2022-05-17 and last updated on 2026-06-17.

References

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

Affected products (3)

cpe:2.3:o:cambiumnetworks:cnmaestro:2.4.2:*:*:*:on_premises:*:*:*
cpe:2.3:o:cambiumnetworks:cnmaestro:3.0.0:*:*:*:on_premises:*:*:*
cpe:2.3:o:cambiumnetworks:cnmaestro:3.0.3:*:*:*:on_premises:*:*:*

More vulnerabilities in Cambiumnetworks Cnmaestro

CVE-2022-1357 — Critical (CVSS 9.8): The affected On-Premise cnMaestro allows an unauthenticated attacker to access the cnMaestro server and execute…
CVE-2022-1360 — High (CVSS 8.2): The affected On-Premise cnMaestro is vulnerable to execution of code on the cnMaestro hosting server. This could allow…
CVE-2022-1361 — High (CVSS 7.4): The affected On-Premise cnMaestro is vulnerable to a pre-auth data exfiltration through improper neutralization of…
CVE-2022-1358 — Medium (CVSS 5.9): The affected On-Premise is vulnerable to data exfiltration through improper neutralization of special elements used in…
CVE-2022-1359 — Medium (CVSS 5.7): The affected On-Premise cnMaestro is vulnerable to an arbitrary file-write through improper limitation of a pathname to…
CVE-2022-1362 — Medium (CVSS 5.0): The affected On-Premise cnMaestro is vulnerable inside a specific route where a user can upload a crafted package to…

All CVEs affecting Cambiumnetworks Cnmaestro →

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