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CVE-2018-6329

CWE-89Published: March 14, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

Technical Analysis

CVE-2018-6329 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2018-6329. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

unitrends1 product(s)

backup

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://support.unitrends.com/UnitrendsBackup/s/article/000001150

ADVISORYhttps://support.unitrends.com/UnitrendsBackup/s/article/000006003

ADVISORYhttps://www.exploit-db.com/exploits/44297/

ADVISORYhttps://www.exploit-db.com/exploits/45913/

ADVISORYhttps://support.unitrends.com/UnitrendsBackup/s/article/000001150

ADVISORYhttps://support.unitrends.com/UnitrendsBackup/s/article/000006003

ADVISORYhttps://www.exploit-db.com/exploits/44297/

ADVISORYhttps://www.exploit-db.com/exploits/45913/

All References (8)

→

https://support.unitrends.com/UnitrendsBackup/s/article/000001150Vendor Advisory

→

https://support.unitrends.com/UnitrendsBackup/s/article/000006003Vendor Advisory

→

https://www.exploit-db.com/exploits/44297/Exploit · Third Party Advisory · VDB Entry

→

https://www.exploit-db.com/exploits/45913/Exploit · Third Party Advisory · VDB Entry

→

https://support.unitrends.com/UnitrendsBackup/s/article/000001150Vendor Advisory

→

https://support.unitrends.com/UnitrendsBackup/s/article/000006003Vendor Advisory

→

https://www.exploit-db.com/exploits/44297/Exploit · Third Party Advisory · VDB Entry

→

https://www.exploit-db.com/exploits/45913/Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2018-6329

CVSS Score9.8 / 10

SeverityCRITICAL

WeaknessCWE-89

CISA KEVNo

ExploitPOC

Affected1 vendor(s)

PublishedMar 14, 2018

Related CVEs (CWE-89)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2018-6329 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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