CVE-2026-66372

The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 5.2

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://digital-watchdog.com/downloads/
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-01.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-01

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-15 21:16

Updated : 2026-09-15 21:16

NVD link : CVE-2026-66372

Mitre link : CVE-2026-66372

CVE.ORG link : CVE-2026-66372

JSON object : View

Products Affected

No product.

CWE

CWE-337

Predictable Seed in Pseudo-Random Number Generator (PRNG)

{"id": "CVE-2026-66372", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.6}], "cvssMetricV40": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.6, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "ics-cert@hq.dhs.gov", "affectedData": [{"vendor": "Digital Watchdog", "product": "VMAX A1 G4 DVR", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VMAX IP G4 NVR", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VMAX A1 PLUS", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VA1G4 Recorder", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}, {"vendor": "Digital Watchdog", "product": "VG4 Recorder", "versions": [{"status": "affected", "version": "All"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-15T21:16:41.743", "references": [{"url": "https://digital-watchdog.com/downloads/", "source": "ics-cert@hq.dhs.gov"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-01.json", "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-01", "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Received", "weaknesses": [{"type": "Primary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-337"}]}], "descriptions": [{"lang": "en", "value": "The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space."}], "lastModified": "2026-09-15T21:16:41.743", "sourceIdentifier": "ics-cert@hq.dhs.gov"}