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7.8

CloudBerry Backup lets regular users gain system rights

CVE-2019-15720 · published 7 years ago
Summary

The version 6.1.2.34 of CloudBerry Backup lets someone with only normal user access change a backup job and attach a script that runs as the system account. This can give that user full control over the computer. Update to a newer version or remove any untrusted pre‑ or post‑backup scripts immediately.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
cloudberrylab backup <= 6.1.2.34
cpe:2.3:a:cloudberrylab:backup:*:*:*:*:*:*:*:*
Original advisory text
CloudBerry Backup v6.1.2.34 allows local privilege escalation via a Pre or Post backup action. With only user-level access, a user can modify the backup plan and add a Pre backup action script that...
CloudBerry Backup v6.1.2.34 allows local privilege escalation via a Pre or Post backup action. With only user-level access, a user can modify the backup plan and add a Pre backup action script that executes on behalf of NT AUTHORITY\SYSTEM.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-269Improper Privilege Management
Timeline
Published28 Aug 2019
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-15720 · NVD
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