Auth bypass in Kaseya Unitrends Backup

CVE-2017-12478

It was discovered that the api/storage web interface in Unitrends Backup (UB) before 10.0.0 has an issue in which one of its input parameters was not validated. A remote attacker could use this flaw to bypass authentication and execute arbitrary commands with root privilege on the target system.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.783 (99.6th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-12478: held from 0.783 to 0.783.

EPSS over last 30 days · oldest: 0.783 · newest: 0.783 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-12478?
CVE-2017-12478 is a critical-severity vulnerability in Kaseya Unitrends Backup, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-08-07.
How severe is CVE-2017-12478?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-12478 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.