What’s Vulnerable › Vulnerabilities

CVE-2023-27920

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-23 · updated 2026-06-17
• Weakness: CWE-863

Description

Improper access control vulnerability in the system date/time setting page of SolarView Compact SV-CPT-MC310 versions prior to Ver.8.10 and SV-CPT-MC310F versions prior to Ver.8.10 allows a remote authenticated attacker to alter system date/time of the affected product.

Affected products

• Contec Sv-Cpt-Mc310 Firmware: before 8.10 — fixed in 8.10
• Contec Sv-Cpt-Mc310F Firmware: before 8.10 — fixed in 8.10

How to fix

Upgrade to a fixed version: Contec Sv-Cpt-Mc310 Firmware 8.10; Contec Sv-Cpt-Mc310F Firmware 8.10. Check the vendor advisory for mitigations.

References

• https://jvn.jp/en/vu/JVNVU92106300/
• https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_solarview_230508.pdf
• https://www.contec.com/jp/download/donwload-list/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e#firmware
• https://jvn.jp/en/vu/JVNVU92106300/
• https://www.contec.com/jp/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_solarview_230508.pdf
• https://www.contec.com/jp/download/donwload-list/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e#firmware

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