Auth bypass in Contec Sv-cpt-mc310
CVE-2021-20662
Missing authentication for critical function in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an attacker to alter the setting information without the access privileges via unspecified vectors.
Vulnerability class: Broken Authentication
EPSS: 0.021 (79.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Contec Sv-cpt-mc310
- Contec Sv-cpt-mc310_firmware
- Contec Co., Ltd. Solarview Compact — versions SV-CPT-MC310 prior to Ver.6.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-20662?
- CVE-2021-20662 is a high-severity vulnerability in Contec Sv-cpt-mc310, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2021-02-24.
- How severe is CVE-2021-20662?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-20662 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.