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No exploitation reported

CVE-2022-1356

No exploitation reported by the sources we read.

  • Published2022-05-17
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-05-1721:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-1356?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-1356?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Cambiumnetworks cnmaestro
BranchAffectedFixed in
2.4= 2.4.2no fix published
3.0= 3.0.0no fix published
3.0= 3.0.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-22-132-04 CISA3 known affected

    Cambium Networks cnMaestro

    cnMaestro On-Premises: All versions prior to 2.4.2-r29 · cnMaestro On-Premises: All versions prior to 3.0.0-r34 · cnMaestro On-Premises: All versions prior to 3.0.3-r32

Full record on NVD

Fix

  1. Mitigation from the vendor CISA ICSA-22-132-04 · 3 productsCambium Networks recommends affected users apply one of the following upgrade packages: 3.0.3-r32
  2. Mitigation from the vendor CISA ICSA-22-132-04 · 3 productsCambium Networks recommends affected users apply one of the following upgrade packages: 2.4.2-r29
  3. Mitigation from the vendor CISA ICSA-22-132-04 · 3 productsCambium Networks recommends affected users apply one of the following upgrade packages: 3.0.0-r34
  4. Mitigation from the vendor CISA ICSA-22-132-04 · 3 productsThe security patches are available from Cambium Networks support (login required).
  5. Mitigation from the vendor CISA ICSA-22-132-04 · 3 productsFor users of cnMaestro Cloud, these vulnerabilities have been patched by Cambium Networks and no further action is required.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-04-16
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.17.1read 2026-10-23
  • NVDCVSS 3.17.8read 2026-10-23
  • NVDCVSS 2.07.2read 2026-10-23
  • CNAweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score0.3 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2022-05-17
Last Modified
2026-06-17
NVD status
Modified

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.

Is CVE-2022-1356 actively exploited?

Active exploitation of CVE-2022-1356 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-1356?

CVE-2022-1356 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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