Skip to content
Fencer Vulns
critical 9.8

CVE-2022-1357 json

Cambium Networks cnMaestro OS Command Injection

published 2022-05-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-24678

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

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.

Patch / fix

  • Cambium Networks cnMaestro 2.4.2-r29, 3.0.0-r34, 3.0.3-r32

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-132-04 updated cvss 9.8

Cambium Networks cnMaestro

  • Cambium Networks cnMaestro On-Premises < 2.4.2-r29, < 3.0.0-r34, < 3.0.3-r32
    affected: mitigation “Cambium Networks recommends affected users apply one of the following upgrade packages: 3.0.3-r32” support.cambiumnetworks.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
18 mo ago

Exploit prediction

1.82% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Cambium Networks cnMaestro

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.