CVE-2026-4823 Details
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.
A vulnerability allowing NTLMv2 credential exposure has been identified in Enter Software Iperius Backup versions prior to 8.7.3. This issue arises from the NTLM2 Handler component, where manipulated backup job configurations can lead to unauthorized information disclosure. The vulnerability is exploitable through a local NTLM relay attack, intercepting authentication requests that are automatically sent using stored credentials when accessing network resources via SMB.
Users are advised to upgrade to Iperius Backup version 8.7.4, which addresses this vulnerability. The update is available on the Iperius Backup website.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Mar 25, 2026CISA-ADP
Assessed Mar 26, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/ntlm-relay-credential-exposure.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/?ctiid.353123 | [email protected] | Content Wall |
| https://vuldb.com/?id.353123 | [email protected] | AdvisoryExploitRemedy |
| https://vuldb.com/?submit.774218 | [email protected] | Technical Description |
| https://www.iperiusbackup.com/download-software-backup.aspx | [email protected] | ProductVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | [email protected] |
| CWE-284 | Improper Access Control | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Enter Software Iperius Backup | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Mar 25, 2026 | New CVE Received | [email protected] |