Enter Software Iperius Backup up to 8.7.3 Backup Service temp file
Summary
A vulnerability classified as critical was found in Enter Software Iperius Backup up to 8.7.3. Affected by this vulnerability is an unknown functionality of the file C:\ProgramData\IperiusBackup\Jobs\ of the component Backup Service. Executing a manipulation can lead to temp file. This vulnerability is tracked as CVE-2026-4822. The attack is restricted to local execution. Moreover, an exploit is present. 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.
Details
A vulnerability was found in Enter Software Iperius Backup up to 8.7.3. It has been declared as critical. This vulnerability affects an unknown function of the file C:\ProgramData\IperiusBackup\Jobs\ of the component Backup Service. The manipulation with an unknown input leads to a temp file vulnerability. The CWE definition for the vulnerability is CWE-378. Opening temporary files without appropriate measures or controls can leave the file, its contents and any function that it impacts vulnerable to attack. As an impact it is known to affect confidentiality, integrity, and availability.
The advisory is available at github.com. This vulnerability was named CVE-2026-4822. The exploitation appears to be difficult. Local access is required to approach this attack. Technical details and also a public exploit are known.
It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Upgrading to version 8.7.4 eliminates this vulnerability. The upgrade is hosted for download at iperiusbackup.com.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-16002). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.0
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.0
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Temp fileCWE: CWE-378 / CWE-377
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Iperius Backup 8.7.4
Timeline
03/25/2026 Advisory disclosed03/25/2026 VulDB entry created
04/01/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2026-4822 (🔒)
GCVE (CVE): GCVE-0-2026-4822
GCVE (VulDB): GCVE-100-353122
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/25/2026 15:01Updated: 04/01/2026 16:40
Changes: 03/25/2026 15:01 (60), 03/26/2026 00:58 (1), 04/01/2026 16:40 (31)
Complete: 🔍
Submitter: 0truust
Cache ID: 216::103
Submit
Accepted
- Submit #774209: Enter Software Iperius Backup <= 8.7.2 Creation of Temporary File in Directory with Insecure Permission (by 0truust)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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