It was discovered that the bpserverd proprietary protocol in Unitrends Backup (UB) before…
Priority HIGH 79CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.68217 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-12477
- 2026-10-03 Alias added: GHSA-9r4h-6jqx-qw6h
References
Exploit 1
More Kaseya Unitrends Backup vulnerabilities
- TI-2017-09213 It was discovered that the api/storage web interface in Unitrends Backup (UB) before… CVSS 3.1CRITICAL 9.8
- TI-2018-04653 It was discovered that the Unitrends Backup (UB) before 10.1.0 user interface was exposed… CVSS 3.0CRITICAL 9.8
- TI-2017-09214 It was discovered that an issue in the session logic in Unitrends Backup (UB) before… CVSS 3.0HIGH 8.8
- TI-2021-19099 An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. CVSS 3.1CRITICAL 9.8
- TI-2021-19101 An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. CVSS 3.1CRITICAL 9.8
- TI-2021-19108 An issue was discovered in Kaseya Unitrends Backup Appliance before 10.5.5. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2017-12477 · CVE Program
- CVE-2017-12477 · NVD
- FIRST EPSS
- GHSA-9r4h-6jqx-qw6h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences