Open redirect in Cybozu, Inc. Cybozu Remote Service
Priority LOW 29CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
Open redirect vulnerability in Cybozu Remote Service 3.0.0 to 3.1.9 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.
Why it matters now
EPSS 0.00821 57th 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 |
|---|---|---|---|---|---|
| Cybozu, Inc. | Cybozu Remote Service | 3.0.0 to 3.1.9 | — | No fix listed | CNA |
- Cybozu Remote Service VendorCybozu, Inc. Affected 3.0.0 to 3.1.9 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cybozu:remote_service_manager:*:*:*:*:*:*:*:* | 3.0.0 – 3.1.9 | Vulnerable | Cybozu, Inc. |
- cpe:2.3:a:cybozu:remote_service_manager:*:*:*:*:*:*:*:* Versions 3.0.0 – 3.1.9 Vulnerable ·Cybozu, Inc.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20806
- 2026-10-03 Alias added: GHSA-c9h2-qxwp-vcq3
References
More Cybozu, Inc. Remote Service Manager vulnerabilities
- TI-2018-11568 Path traversal in Cybozu, Inc. Cybozu Remote Service CVSS 3.0HIGH 8.8
- TI-2018-11566 Unrestricted file upload in Cybozu, Inc. Cybozu Remote Service CVSS 3.0HIGH 8.8
- TI-2021-04020 Cross-site request forgery in Cybozu, Inc. Cybozu Remote Service CVSS 3.1HIGH 8.8
- TI-2018-11567 Path traversal in Cybozu, Inc. Cybozu Remote Service CVSS 3.0HIGH 8.1
- TI-2014-01551 Unspecified vulnerability in Cybozu Remote Service Manager through 2.3.0 and 3.x before… CVSS 2.0HIGH 7.8
- TI-2014-06051 Algorithmic complexity vulnerability in Cybozu Remote Service Manager through 2.3.0 and… CVSS 2.0HIGH 7.8
Sources
- CVE-2021-20806 · CVE Program
- CVE-2021-20806 · NVD
- FIRST EPSS
- GHSA-c9h2-qxwp-vcq3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences