CVE-2023-27521

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% 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-78

Description

OS command injection vulnerability in the mail 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 remote authenticated attackers to execute an arbitrary OS command.

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

Get alerted when CVE-2023-27521 or the next vulnerability affects your stack