CVE-2021-20659: Malicious File Upload
First published: Wed Feb 24 2021(Updated: )
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.
Credit: vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Contec SV-CPT-MC310 Firmware | <6.5 | |
| Contec SV-CPT-MC310 Firmware |
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Reference Links
- https://jvn.jp/en/jp/JVN37417423/index.html
- https://www.contec.com/jp/api/downloadlogger?download=https://www.contec.com/jp/-/media/contec/jp/support/security-info/contec_security_solarview_210216.pdf
- https://www.contec.com/jp/download/contract/contract2/?itemid=b28c8b7c-9f40-40b2-843c-b5b04c035b0e&downloaditemid=fa248fba-8901-4d9e-8212-b139f2defbdf
Frequently Asked Questions
What is the severity of CVE-2021-20659?
CVE-2021-20659 is categorized as a medium severity vulnerability due to the potential for authenticated attackers to execute arbitrary code.
How do I fix CVE-2021-20659?
To mitigate CVE-2021-20659, upgrade the SolarView Compact SV-CPT-MC310 firmware to version 6.5 or later.
What type of files can be uploaded in CVE-2021-20659?
In CVE-2021-20659, an attacker can upload arbitrary files, including PHP scripts, that can be executed.
Is authentication required to exploit CVE-2021-20659?
Yes, exploiting CVE-2021-20659 requires authentication to the SolarView Compact SV-CPT-MC310.
What are the potential consequences of CVE-2021-20659?
The consequences of CVE-2021-20659 include unauthorized remote code execution, which could compromise the integrity of the system.
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