Vulnerability in Enter Software Iperius Backup
CVE-2026-5310
A vulnerability was identified in Enter Software Iperius Backup up to 8.7.2. This impacts an unknown function of the file IperiusAccounts.ini. Such manipulation leads to use of hard-coded cryptographic key . The attack must be carried out locally. This attack is characterized by high complexity. The exploitability is said to be difficult. The exploit is publicly available and might be used. Upgrading to version 8.7.4 will fix this issue. It is suggested 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Enter Software Iperius Backup — versions 8.7.0, 8.7.1, 8.7.2
Weakness classification (CWE)
References
- vuldb.com/vuln/354639 (vdb-entry)
- vuldb.com/vuln/354639/cti (signature, permissions-required)
- vuldb.com/submit/778602 (third-party-advisory)
- github.com/VulnaraByte/iperius-backup-security-advisories (related)
- github.com/VulnaraByte/iperius-backup-security-advisories/blob/main/poc/decrypt… (exploit)
- www.iperiusbackup.com/download-software-backup.aspx (patch)
Frequently asked questions
- What is CVE-2026-5310?
- CVE-2026-5310 is a low-severity vulnerability in Enter Software Iperius Backup, classified under CWE-320. CVSS score: 2.5/10. Published 2026-04-01.
- How severe is CVE-2026-5310?
- Low severity. CVSS v3 base score is 2.5 out of 10.