CVE-2020-8515

critical-risk
Published 2020-02-01

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.

Do I need to act?

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94.4% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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1 public exploit available
48268
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Draytek

References (7)

Exploit http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300...
Permissions Required https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.ht...
Vendor Advisory https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300...
Exploit http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300...
Permissions Required https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.ht...
Vendor Advisory https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300...
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...
71
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 12/34 · Low