CVE-2021-20659 json
SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to upload arbitrary files via unspecified vectors.
published 2021-02-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8077
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to upload arbitrary files via unspecified vectors. If the file is PHP script, an attacker may execute arbitrary code.
Patch / fix
- contec sv-cpt-mc310_firmware 6.5
Exploit prediction
2.13% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Contec Co., Ltd. SolarView Compact
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
contec.com
/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_secur
vendor-advisory
-
contec.com
/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e&downloaditemid=fa248fba-8901-4d9e
vendor-advisory
-
jvn.jp
/en/jp/JVN37417423/index.html
third-party-advisory
Sources
- CVE List CVE-2021-20659
- NVD CVE-2021-20659
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