CVE-2026-4823 (GCVE-0-2026-4823)
Vulnerability from cvelistv5 – Published: 2026-03-25 21:44 – Updated: 2026-03-26 15:01
VLAI?
Title
Enter Software Iperius Backup NTLM2 information disclosure
Summary
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.
Severity ?
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Enter Software | Iperius Backup |
Affected:
8.7.0
Affected: 8.7.1 Affected: 8.7.2 Affected: 8.7.3 Unaffected: 8.7.4 |
Credits
0truust (VulDB User)
VulDB
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-4823",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-03-26T15:01:04.038959Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-03-26T15:01:17.506Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"modules": [
"NTLM2 Handler"
],
"product": "Iperius Backup",
"vendor": "Enter Software",
"versions": [
{
"status": "affected",
"version": "8.7.0"
},
{
"status": "affected",
"version": "8.7.1"
},
{
"status": "affected",
"version": "8.7.2"
},
{
"status": "affected",
"version": "8.7.3"
},
{
"status": "unaffected",
"version": "8.7.4"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "0truust (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB"
}
],
"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."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 2,
"baseSeverity": "LOW",
"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",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 2.5,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 2.5,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 1,
"vectorString": "AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "Information Disclosure",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "Improper Access Controls",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-25T21:44:31.478Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-353123 | Enter Software Iperius Backup NTLM2 information disclosure",
"tags": [
"vdb-entry"
],
"url": "https://vuldb.com/?id.353123"
},
{
"name": "VDB-353123 | CTI Indicators (IOB, IOC, TTP)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.353123"
},
{
"name": "Submit #774218 | Enter Software Iperius Backup \u003c= 8.7.2 Authentication Bypass by Capture-replay",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.774218"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/ntlm-relay-credential-exposure.md"
},
{
"tags": [
"patch"
],
"url": "https://www.iperiusbackup.com/download-software-backup.aspx"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-03-25T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-03-25T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-03-25T15:01:49.000Z",
"value": "VulDB entry last update"
}
],
"title": "Enter Software Iperius Backup NTLM2 information disclosure"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-4823",
"datePublished": "2026-03-25T21:44:31.478Z",
"dateReserved": "2026-03-25T13:56:38.724Z",
"dateUpdated": "2026-03-26T15:01:17.506Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-4823\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-03-25T22:16:19.280\",\"lastModified\":\"2026-03-30T13:26:50.827\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"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\",\"baseScore\":2.0,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":2.5,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.0,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:H/Au:S/C:P/I:N/A:N\",\"baseScore\":1.0,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"HIGH\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":1.5,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"},{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"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\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-4823\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-26T15:01:04.038959Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-26T15:01:11.004Z\"}}], \"cna\": {\"title\": \"Enter Software Iperius Backup NTLM2 information disclosure\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"0truust (VulDB User)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"VulDB\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 2, \"baseSeverity\": \"LOW\", \"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\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 2.5, \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 2.5, \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 1, \"vectorString\": \"AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C\"}}], \"affected\": [{\"vendor\": \"Enter Software\", \"modules\": [\"NTLM2 Handler\"], \"product\": \"Iperius Backup\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.7.0\"}, {\"status\": \"affected\", \"version\": \"8.7.1\"}, {\"status\": \"affected\", \"version\": \"8.7.2\"}, {\"status\": \"affected\", \"version\": \"8.7.3\"}, {\"status\": \"unaffected\", \"version\": \"8.7.4\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-03-25T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2026-03-25T01:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2026-03-25T15:01:49.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/?id.353123\", \"name\": \"VDB-353123 | Enter Software Iperius Backup NTLM2 information disclosure\", \"tags\": [\"vdb-entry\"]}, {\"url\": \"https://vuldb.com/?ctiid.353123\", \"name\": \"VDB-353123 | CTI Indicators (IOB, IOC, TTP)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.774218\", \"name\": \"Submit #774218 | Enter Software Iperius Backup \u003c= 8.7.2 Authentication Bypass by Capture-replay\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/ntlm-relay-credential-exposure.md\", \"tags\": [\"exploit\"]}, {\"url\": \"https://www.iperiusbackup.com/download-software-backup.aspx\", \"tags\": [\"patch\"]}], \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-200\", \"description\": \"Information Disclosure\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-284\", \"description\": \"Improper Access Controls\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2026-03-25T21:44:31.478Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-4823\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-26T15:01:17.506Z\", \"dateReserved\": \"2026-03-25T13:56:38.724Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2026-03-25T21:44:31.478Z\", \"assignerShortName\": \"VulDB\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…