CVE-2026-4823

A flaw has been found in Enter Software Iperius Backup up to 8.7.3. Affected by this vulnerability is an unknown functionality of the component NTLM2 Handler. Executing a manipulation can lead to information disclosure. The attack is restricted to local execution. Attacks of this nature are highly complex. The exploitation appears to be difficult. The exploit has been published and may be used. Upgrading to version 8.7.4 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS v3 2.5 LOW
CVSS v2.0 1.0 LOW

2.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.0 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

1.0^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:H/Au:S/C:P/I:N/A:N

Exploitability : 1.5 / Impact : 2.9

Access Vector LOCAL

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/ntlm-relay-credential-exposure.md
https://vuldb.com/?ctiid.353123
https://vuldb.com/?id.353123
https://vuldb.com/?submit.774218
https://www.iperiusbackup.com/download-software-backup.aspx

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-25 22:16

Updated : 2026-03-30 13:26

NVD link : CVE-2026-4823

Mitre link : CVE-2026-4823

CVE.ORG link : CVE-2026-4823

JSON object : View

Products Affected

No product.

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-284

Improper Access Control

{"id": "CVE-2026-4823", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 1.0, "accessVector": "LOCAL", "vectorString": "AV:L/AC:H/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 1.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.5, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.0}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 2.0, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "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"}}]}, "published": "2026-03-25T22:16:19.280", "references": [{"url": "https://github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/ntlm-relay-credential-exposure.md", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?ctiid.353123", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?id.353123", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/?submit.774218", "source": "cna@vuldb.com"}, {"url": "https://www.iperiusbackup.com/download-software-backup.aspx", "source": "cna@vuldb.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "A flaw has been found in Enter Software Iperius Backup up to 8.7.3. Affected by this vulnerability is an unknown functionality of the component NTLM2 Handler. Executing a manipulation can lead to information disclosure. The attack is restricted to local execution. Attacks of this nature are highly complex. The exploitation appears to be difficult. The exploit has been published and may be used. Upgrading to version 8.7.4 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."}, {"lang": "es", "value": "Se ha encontrado una falla en Enter Software Iperius Backup hasta la versi\u00f3n 8.7.3. Afectada por esta vulnerabilidad es una funcionalidad desconocida del componente Gestor NTLM2. La ejecuci\u00f3n de una manipulaci\u00f3n puede llevar a la revelaci\u00f3n de informaci\u00f3n. El ataque est\u00e1 restringido a la ejecuci\u00f3n local. Los ataques de esta naturaleza son altamente complejos. La explotaci\u00f3n parece ser dif\u00edcil. El exploit ha sido publicado y puede ser utilizado. La actualizaci\u00f3n a la versi\u00f3n 8.7.4 soluciona este problema. Se aconseja actualizar el componente afectado. Se contact\u00f3 al proveedor con antelaci\u00f3n, respondi\u00f3 de manera muy profesional y r\u00e1pidamente lanz\u00f3 una versi\u00f3n corregida del producto afectado."}], "lastModified": "2026-03-30T13:26:50.827", "sourceIdentifier": "cna@vuldb.com"}