Vulnerability Description
DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. This issue has been fixed in Vigor3900/2960/300B v1.5.1.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Draytek | Vigor2960 Firmware | 1.3.1 |
| Draytek | Vigor2960 | - |
| Draytek | Vigor300B Firmware | 1.3.3 |
| Draytek | Vigor300B | - |
| Draytek | Vigor3900 Firmware | 1.4.4 |
| Draytek | Vigor3900 | - |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300ExploitThird Party AdvisoryVDB Entry
- https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.htPermissions RequiredThird Party Advisory
- https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300Vendor Advisory
- http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300ExploitThird Party AdvisoryVDB Entry
- https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.htPermissions RequiredThird Party Advisory
- https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-US Government Resource
FAQ
What is CVE-2020-8515?
CVE-2020-8515 is a vulnerability with a CVSS score of 9.8 (CRITICAL). DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters...
How severe is CVE-2020-8515?
CVE-2020-8515 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-8515?
Check the references section above for vendor advisories and patch information. Affected products include: Draytek Vigor2960 Firmware, Draytek Vigor2960, Draytek Vigor300B Firmware, Draytek Vigor300B, Draytek Vigor3900 Firmware.