CVE-2021-26725

mediumpriority · track · 20EPSS 0.011 · 65 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.10% (65th) EPSS

CVSS 4 · medium

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nozomi_psirt · nvd

EPSS · scored 2026-10-23

Path Traversal vulnerability when changing timezone using web GUI of Nozomi Networks Guardian, CMC allows an authenticated administrator to read-protected system files. This issue affects: Nozomi Networks Guardian 20.0.7.3 version 20.0.7.3 and prior versions. Nozomi Networks CMC 20.0.7.3 version 20.0.7.3 and prior versions.

remediations

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

A vendor fix is available.

FixedCMCnozomi_psirt
v19 series: Upgrade to v19.0.12. v20 series: Upgrade to v20.0.7.4.
FixedGuardiannozomi_psirt
v19 series: Upgrade to v19.0.12. v20 series: Upgrade to v20.0.7.4.
MitigationCMCnozomi_psirt
Use internal firewall feature to limit management interface access and review user roles.
MitigationGuardiannozomi_psirt
Use internal firewall feature to limit management interface access and review user roles.

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 · 4–8.6

v2.04mediumAV:N/AC:L/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 3.6

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: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-24USCWE-24US

affected products (12)

Products and version ranges known to be affected.

Nozomi Networks CMC≤ 20.0.7.3 and prior versionsenisa_euvdEU
Nozomi Networks Guardian≤ 20.0.7.3 and prior versionsenisa_euvdEU
Nozomi Networks CMC≤ vers:gem/<19.0.12nozomi_psirtUS
Nozomi Networks CMC≤ vers:gem/>=20.0.0|<20.0.7.4nozomi_psirtUS
Nozomi Networks CMCall versionsfixednozomi_psirtUS
Nozomi Networks Guardian≤ vers:gem/>=20.0.0|<20.0.7.4nozomi_psirtUS
Nozomi Networks Guardian≤ vers:gem/<19.0.12nozomi_psirtUS
Nozomi Networks Guardianall versionsfixednozomi_psirtUS
nozominetworks central management control19.0.0 → 19.0.12nvdUScpe:2.3:a:nozominetworks:central_management_control:*:*:*:*:*:*:*:*
nozominetworks central management control20.0.0.0 → 20.0.7.4nvdUScpe:2.3:a:nozominetworks:central_management_control:*:*:*:*:*:*:*:*
nozominetworks guardian19.0.0 → 19.0.12nvdUScpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:*
nozominetworks guardian20.0.0.0 → 20.0.7.4nvdUScpe:2.3:a:nozominetworks:guardian:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

NN-2021:2-01Authenticated command path traversal on timezone settings in Guardian/CMC before 20.0.7.42021-02-22csaf · 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 2021-02-22modified 2026-06-17

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Related entries.

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+12477 more

references (4)

External citations — patches, advisories, analysis.

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