CVE-2017-12477
It was discovered that the bpserverd proprietary protocol in Unitrends Backup (UB) before 10.0.0,...
CVE-2017-12477 is a critical vulnerability (CVSS 9.8) in Kaseya Unitrends Backup, published August 7, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 68.2%, the 99th percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 68.2%EPSS, 99th percentile
- Exploitation
- None known3 public exploits
- Fixed in
- No fix listedNo source names one
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Unitrends UEB 9.1 - 'Unitrends bpserverd' Remote Command Execution | 2017-08-08 |
| Metasploit | Unitrends UEB bpserverd authentication bypass RCE | 2017-08-08 |
| Exploit-DB | Unitrends UEB 9 - bpserverd Authentication Bypass Remote Command Execution (Metasploit) | 2017-10-23 |
What each source reports
NVD Score used
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.
- Record
CVE-2017-12477- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2017-12477- Updated
- 2026-11-02
EUVDEUVD-2017-4049No score
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.
- Record
EUVD-2017-4049- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9r4h-6jqx-qw6h
It was discovered that the bpserverd proprietary protocol in Unitrends Backup (UB) before 10.0.0,...
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.
- Record
GHSA-9r4h-6jqx-qw6h- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.