Unrestricted file upload in Contec Co., Ltd. SolarView Compact
Priority MEDIUM 42CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to upload arbitrary files via unspecified vectors. If the file is PHP script, an attacker may execute arbitrary code.
Why it matters now
EPSS 0.02129 82nd 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 |
|---|---|---|---|---|---|
| Contec Co., Ltd. | SolarView Compact | SV-CPT-MC310 prior to Ver.6.5 | — | No fix listed | CNA |
- SolarView Compact VendorContec Co., Ltd. Affected SV-CPT-MC310 prior to Ver.6.5 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:contec:sv-cpt-mc310_firmware:*:*:*:*:*:*:*:* | before 6.5 | Vulnerable | Contec Co., Ltd. |
| cpe:2.3:h:contec:sv-cpt-mc310:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Contec Co., Ltd. |
- cpe:2.3:o:contec:sv-cpt-mc310_firmware:*:*:*:*:*:*:*:* Versions before 6.5 Vulnerable ·Contec Co., Ltd.
- cpe:2.3:h:contec:sv-cpt-mc310:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Contec Co., Ltd.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20659
- 2026-10-03 Alias added: GHSA-gx3m-2wcq-p82x
References
Advisory 3
- https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf
- https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e&downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf
- https://jvn.jp/en/jp/JVN37417423/index.html
More Contec Co., Ltd. Sv-cpt-mc310 Firmware vulnerabilities
- TI-2022-11821 SolarView Compact ver.6.00 was discovered to contain a command injection vulnerability via conf_mail.php. KEVCVSS 3.1CRITICAL 9.8
- TI-2022-11819 SolarView Compact ver.6.00 allows attackers to access sensitive files via directory traversal. CVSS 3.1HIGH 7.5
- TI-2021-03887 Cross-site scripting in Contec Co., Ltd. SolarView Compact CVSS 3.1MEDIUM 6.1
- TI-2021-03885 OS command injection in Contec Co., Ltd. SolarView Compact CVSS 3.1CRITICAL 9.8
- TI-2022-13362 An arbitrary file upload vulnerability /images/background/1.php in of SolarView Compact… CVSS 3.1CRITICAL 9.8
- TI-2014-01842 Multiple directory traversal vulnerabilities in (1) mod_evhost and (2) mod_simple_vhost… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2021-20659 · CVE Program
- CVE-2021-20659 · NVD
- FIRST EPSS
- GHSA-gx3m-2wcq-p82x · GitHub Advisory Database · CC BY 4.0
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