Auth bypass in Kaseya Unitrends Backup
CVE-2017-12477
It was discovered that the bpserverd proprietary protocol in Unitrends Backup (UB) before 10.0.0, as invoked through xinetd, has an issue in which its authentication can be bypassed. A remote attacker could use this issue to 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: 0.682 (99.3th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.682 · newest: 0.682 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.unitrends.com/UnitrendsBackup/s/article/000005755 (Vendor Advisory)
- www.exploit-db.com/exploits/43031/ (Exploit, VDB Entry, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2017-12477?
- CVE-2017-12477 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-2017-12477?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-12477 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.