CVE-2022-0551

mediumpriority · track · 29EPSS 0.009 · 60 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.90% (60th) EPSS

CVSS 6.5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nozomi_psirt · nvd

EPSS · scored 2026-10-27

Improper Input Validation vulnerability in project file upload in Nozomi Networks Guardian and CMC allows an authenticated attacker with admin or import manager roles to execute unattended commands on the appliance using web server user privileges. This issue affects: Nozomi Networks Guardian versions prior to 22.0.0. Nozomi Networks CMC versions prior to 22.0.0.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCMCnozomi_psirt
Upgrade to v22.0.0.
FixedGuardiannozomi_psirt
Upgrade to v22.0.0.
MitigationCMCnozomi_psirt
Use internal firewall features to limit management interface access and review users allowed to import project data files.
MitigationGuardiannozomi_psirt
Use internal firewall features to limit management interface access and review users allowed to import project data files.

cvss

Technical severity, 0–10. One row per scoring source.

8.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.1–8.6

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · prodsec@nozominetworks.comexploitability 1.2 · impact 5.9

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · Nozomi Networks PSIRT

v4.08.6highCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · prodsec@nozominetworks.com

v4.08.6highCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.06.1mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (8)

Products and version ranges known to be affected.

Nozomi Networks CMCunspecified → 22.0.0enisa_euvdEU
Nozomi Networks Guardianunspecified → 22.0.0enisa_euvdEU
Nozomi Networks CMC≤ vers:gem/<22.0.0nozomi_psirtUS
Nozomi Networks CMCall versionsfixednozomi_psirtUS
Nozomi Networks Guardian≤ vers:gem/<22.0.0nozomi_psirtUS
Nozomi Networks Guardianall versionsfixednozomi_psirtUS
nozominetworks cmc< 22.0.0nvdUScpe:2.3:a:nozominetworks:cmc:*:*:*:*:*:*:*:*
nozominetworks guardian< 22.0.0nvdUScpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

NN-2022:2-02Authenticated RCE on project configuration import in Guardian/CMC before 22.0.02022-02-14csaf · nozomi_psirtUS

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nozomi_psirt nvd NVD CVE.org MITRE

published 2022-03-24modified 2026-06-17

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+25171 more

references (4)

External citations — patches, advisories, analysis.

scry

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