CVE-2020-8515
KEVHIGH 10.0EPSS 100.0%
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 v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 99.99% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2021-11-03
- Nuclei
- critical · CWE-78
- Published
- 2020-02-01
- Updated
- 2025-10-21
Proof-of-concept exploits (3)
- http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-…
- darrenmartyn/CVE-2020-85155★ · 2021-09-04
- imjdl/CVE-2020-8515-PoC14★ · 2020-03-30
Nuclei templates (1)
ExploitDB entries (1)
Exploit collections (2)
- chaitin/xray/blob/master/pocs/draytek-cve-2020-8515.yml
- zan8in/afrog/blob/main/pocs/afrog-pocs/CVE/2020/CVE-2020-8515.yaml