How severe is CVE-2022-1357?

CVE-2022-1357 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-1357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-1357?

CVE-2022-1357 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-2022-1357?

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

When was CVE-2022-1357 published?

CVE-2022-1357 was published on 2022-05-17 and last updated on 2026-06-17.

CVE-2022-1357

CVE-2022-1357 is a critical-severity vulnerability in Cambiumnetworks Cnmaestro with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd 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

The affected On-Premise cnMaestro allows an unauthenticated attacker to access the cnMaestro server and execute arbitrary code in the privileges of the web server. This lack of validation could allow an attacker to append arbitrary data to the logger command.

Frequently asked questions

What is CVE-2022-1357?: The affected On-Premise cnMaestro allows an unauthenticated attacker to access the cnMaestro server and execute arbitrary code in the privileges of the web server. This lack of validation could allow an attacker to append arbitrary data to the logger command.
How severe is CVE-2022-1357?: CVE-2022-1357 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-1357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-1357?: CVE-2022-1357 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-2022-1357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-1357 published?: CVE-2022-1357 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-2022-1360 — 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-2022-1356 — High (CVSS 7.1): cnMaestro is vulnerable to a local privilege escalation. By default, a user does not have root privileges. However, a…
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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