Vulnerability details
CVE-2026-4822
Enter Software Iperius Backup Backup Service temp file
Official description
A vulnerability was detected in Enter Software Iperius Backup up to 8.7.3. Affected is an unknown function of the file C:\ProgramData\IperiusBackup\Jobs\ of the component Backup Service. Performing a manipulation results in creation of temporary file with insecure permissions. The attack is only possible with local access. A high degree of complexity is needed for the attack. The exploitability is told to be difficult. The exploit is now public and may be used. Upgrading to version 8.7.4 is able to address this issue. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.3High | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P |
| 7.0High | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C |
| 7.0High | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C |
| 6.0Medium | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Enter Software | Iperius Backup | 8.7.0 | CVEProject cvelistV5 (CNA) |
| Enter Software | Iperius Backup | 8.7.1 | CVEProject cvelistV5 (CNA) |
| Enter Software | Iperius Backup | 8.7.2 | CVEProject cvelistV5 (CNA) |
| Enter Software | Iperius Backup | 8.7.3 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://vuldb.com/?id.353122 vdb-entry
- https://vuldb.com/?ctiid.353122 signaturepermissions-required
- https://vuldb.com/?submit.774209 third-party-advisory
- https://github.com/0truust/iperius-backup-security-advisories/blob/main/advisories/arbitrary-file-disclosure.md exploit
- https://www.iperiusbackup.com/download-software-backup.aspx patch
Details
- Published
- 2026-03-26
- Last updated
- 2026-03-28
- State
- Published
- Assigner (CNA)
- VulDB
Exploit prediction (EPSS)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-378Creation of Temporary File With Insecure Permissions
- CWE-377Insecure Temporary File