It was discovered that the Unitrends Backup (UB) before 10.1.0 libbpext.so authentication could be bypassed with a SQL injection, allowing…

published 2018-03-14 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18090

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 61.2%; EPSS 61.2% chance of exploitation in 30 days, percentile 99.1%
public exploits: 3; Metasploit, Exploit-DB

It was discovered that the Unitrends Backup (UB) before 10.1.0 libbpext.so authentication could be bypassed with a SQL injection, allowing a remote attacker to place a privilege escalation exploit on the target system and subsequently execute arbitrary commands.

Patch / fix

fixed in 1

unitrends backup 10.1.10

Timeline

2018-03-14 First public exploit (Metasploit exploit/linux/local/ueb_bpserverd_privesc)
2018-03-14 Published

Exploit prediction

61.24% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Metasploit exploit/linux/local/ueb_bpserverd_privesc Unitrends Enterprise Backup bpserverd Privilege Escalation metasploit exploit, excellent rank, 2018-03-14
EDB-45913 Unitrends Enterprise Backup - bpserverd Privilege Escalation (Metasploit) local, 2018-11-29
EDB-44297 Unitrends UEB 10.0 - Root Remote Code Execution remote, 2018-03-16

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

exploit-db.com /exploits/44297/
exploit, third-party-advisory, vdb-entry
exploit-db.com /exploits/45913/
exploit, third-party-advisory, vdb-entry
support.unitrends.com /UnitrendsBackup/s/article/000006003
vendor-advisory
support.unitrends.com /UnitrendsBackup/s/article/000001150
vendor-advisory

Sources

CVE List CVE-2018-6329
NVD CVE-2018-6329

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary