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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 68.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 68.22% probability · 99th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 8 August 2017
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- kaseya/unitrends backup
- Source
- cve@mitre.org
EPSS 68.2% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-43031source ↗ | Unitrends UEB 9 - bpserverd Authentication Bypass Remote Command Execution (Metasploit)linux_x86 · Metasploit | remote | 23 October 2017 | yes |
| EDB-42957source ↗ | Unitrends UEB 9.1 - 'Unitrends bpserverd' Remote Command Executionlinux · Jared Arave | remote | 8 August 2017 | yes |
References
- https://support.unitrends.com/UnitrendsBackup/s/article/000005755Vendor Advisory
- https://www.exploit-db.com/exploits/43031/Exploit, Third Party Advisory, VDB Entry
- https://support.unitrends.com/UnitrendsBackup/s/article/000005755Vendor Advisory
- https://www.exploit-db.com/exploits/43031/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.