Paper/Archive/CVE-2020-8515

CVE-2020-8515

DrayTek Multiple Vigor Routers — Multiple DrayTek Vigor Routers Web Management Page Vulnerability

KEV · due 3 May EPSS 100%public exploit SSVC act CVSS 9.8

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 In CISA KEV+3030.0 EPSS percentile 100.01.000 × 2020.0 Exploit: SSVC active+1010.0 SSVC exploitation: active+1010.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refsku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html refdraytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29 refpacketstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html refcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8515 kevcisa.gov/known-exploited-vulnerabilities-catalog