Enter Software Iperius Backup NTLM2 information disclosure
Summary
| CVE | CVE-2026-4823 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-25 22:16:19 UTC |
| Updated | 2026-03-30 13:26:50 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 2 LOW from [email protected]
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
EPSS: 0.000110000 probability, percentile 0.012410000 (date 2026-04-02)
Problem Types: CWE-200 | CWE-284 | CWE-200 Information Disclosure | CWE-284 Improper Access Controls
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2 | LOW | 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/C... |
| 4.0 | CNA | DECLARED | 2 | LOW | 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 |
| 3.1 | [email protected] | Primary | 2.5 | LOW | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
| 3.1 | CNA | DECLARED | 2.5 | LOW | 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 |
| 3.0 | CNA | DECLARED | 2.5 | LOW | 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 |
| 2.0 | [email protected] | Secondary | 1 | AV:L/AC:H/Au:S/C:P/I:N/A:N | |
| 2.0 | CNA | DECLARED | 1 | AV:L/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
HighAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
LowIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Enter Software | Iperius Backup | affected 8.7.0 | Not specified |
| CNA | Enter Software | Iperius Backup | affected 8.7.1 | Not specified |
| CNA | Enter Software | Iperius Backup | affected 8.7.2 | Not specified |
| CNA | Enter Software | Iperius Backup | affected 8.7.3 | Not specified |
| CNA | Enter Software | Iperius Backup | unaffected 8.7.4 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| vuldb.com | [email protected] | vuldb.com | |
| vuldb.com | [email protected] | vuldb.com | |
| vuldb.com | [email protected] | vuldb.com | |
| www.iperiusbackup.com/download-software-backup.aspx | [email protected] | www.iperiusbackup.com | |
| github.com/0truust/iperius-backup-security-advisories/blob/main/advisori... | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: 0truust (VulDB User) (en)
CNA: VulDB (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-03-25T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-03-25T01:00:00.000Z | VulDB entry created |
| CNA | 2026-03-25T15:01:49.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.