CVE-2018-6329
CVE-2018-6329 is a critical-severity vulnerability in Unitrends Backup with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 62% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 62% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Unitrends Backup
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-6329?
- 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.
- How severe is CVE-2018-6329?
- CVE-2018-6329 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-6329 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 62% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-6329?
- CVE-2018-6329 affects Unitrends Backup. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-6329?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-6329 published?
- CVE-2018-6329 was published on 2018-03-14 and last updated on 2026-06-17.
References
- https://support.unitrends.com/UnitrendsBackup/s/article/000001150
- https://support.unitrends.com/UnitrendsBackup/s/article/000006003
- https://www.exploit-db.com/exploits/44297/
- https://www.exploit-db.com/exploits/45913/
Affected products (1)
- cpe:2.3:a:unitrends:backup:*:*:*:*:*:*:*:*
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