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CVE-2020-8515

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...

Basic Information

CVE State
PUBLISHED
Reserved Date
February 01, 2020
Published Date
February 01, 2020
Last Updated
February 04, 2025
Vendor
n/a
Product
n/a
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.
Tags
cisa nuclei_scanner edge

CVSS Scores

CVSS v3.1

9.8 - CRITICAL

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2025-05-07 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2021-09-01 22:47:54 UTC) Source

References

https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/ http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-8515.yaml 2025-04-26 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

darrenmartyn/CVE-2020-8515

Type: github • Created: 2021-09-01 22:47:54 UTC • Stars: 2

Draytek CVE-2020-8515 PoC

imjdl/CVE-2020-8515-PoC

Type: github • Created: 2020-03-30 03:31:26 UTC • Stars: 14

CVE-2020-8515-PoC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Proof of Concept Exploit Available

  • Added to KEVIntel

  • Detected by Nuclei