Vembu StoreGrid 4.0 Unquoted Service Path Privilege Escalation
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-428.
Summary
Vembu StoreGrid 4.0 contains an unquoted service path vulnerability in the RemoteBackup and RemoteBackup_webServer services that allows local attackers to escalate privileges. Attackers can place a malicious executable in the unquoted path and restart the service to execute code with LocalSystem privileges.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-20086
- 2026-10-03 Alias added: GHSA-7w4f-m98q-hq6g
References
Exploit 1
More Vembu vulnerabilities
- TI-2021-08262 Unauthenticated remote command execution with SYSTEM privileges in Vembu products CVSS 3.1CRITICAL 10.0
- TI-2021-08263 Unauthenticated arbitrary file upload and command execution in Vembu products CVSS 3.1CRITICAL 9.8
- TI-2021-08261 Unauthenticated remote command execution in Vembu products CVSS 3.1CRITICAL 9.8
- TI-2021-08264 UNAUTHENTICATED SERVER SIDE REQUEST FORGERY IN VEMBU PRODUCTS CVSS 3.1HIGH 8.8
- TI-2014-08235 In Vembu StoreGrid 4.4.x, the front page of the server web interface leaks the private IP… CVSS 3.0MEDIUM 5.3
- TI-2021-19383 An Unquoted Service Path vulnerability exits in Vembu BDR 4.2.0.1 via a specially crafted… CVSS 3.1HIGH 7.8
Sources
- CVE-2016-20086 · CVE Program
- CVE-2016-20086 · NVD
- FIRST EPSS
- GHSA-7w4f-m98q-hq6g · GitHub Advisory Database · CC BY 4.0
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