Chain Sea Information Integration Co., Ltd ai chatbot system - Arbitrary File Upload
Priority MEDIUM 46CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
Chain Sea ai chatbot system’s file upload function has insufficient filtering for special characters in URLs, which allows a remote attacker to by-pass file type validation, upload malicious script and execute arbitrary code without authentication, in order to take control of the system or terminate service.
Why it matters now
EPSS 0.02122 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chain Sea Information Integration Co., Ltd | ai chatbot system | — | — | No fix listed | CNA |
- ai chatbot system VendorChain Sea Information Integration Co., Ltd Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Chain Sea Information Integration Co., Ltd |
- cpe:2.3:a:chinasea:qb_smart_service_robot:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Chain Sea Information Integration Co., Ltd
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-44164
- 2026-10-03 Alias added: GHSA-pv5h-978v-cqvr
References
More Chain Sea Information Integration Co., Ltd Qb Smart Service Robot vulnerabilities
- TI-2021-19860 Chain Sea Information Integration Co., Ltd ai chatbot system - Path Traversal CVSS 3.1HIGH 7.5
- TI-2021-19861 Chain Sea Information Integration Co., Ltd ai chatbot system - Reflected XSS CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-44164 · CVE Program
- CVE-2021-44164 · NVD
- FIRST EPSS
- GHSA-pv5h-978v-cqvr · GitHub Advisory Database · CC BY 4.0
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