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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.021 (80.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
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
- www.contec.com/jp/api/downloadlogger (Vendor Advisory)
- www.contec.com/jp/download/contract/contract2/ (Vendor Advisory)
- jvn.jp/en/jp/JVN37417423/index.html (Third Party Advisory)
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.