Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5…
Priority LOW 30Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper access control vulnerability in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain and/or alter the setting information without the access privilege via unspecified vectors.
Why it matters now
EPSS 0.02829 86th 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-2021-20657
- 2026-10-03 Alias added: GHSA-hrv3-fv5c-h4m4
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-2021-20657 · CVE Program
- CVE-2021-20657 · NVD
- FIRST EPSS
- GHSA-hrv3-fv5c-h4m4 · GitHub Advisory Database · CC BY 4.0
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