CVE-2020-15415

DrayTek Multiple Vigor Routers OS Command Injection Vulnerability

  • Critical 9.8
  • Exploited: added to CISA KEV 30 Sep 2024

Description

On DrayTek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1, cgi-bin/mainfunction.cgi/cvmcfgupload allows remote command execution via shell metacharacters in a filename when the text/x-python-script content type is used, a different issue than CVE-2020-14472.

Key facts

Published
30 Jun 2020
Last changed
21 Oct 2025
Assigned by
mitre
KEV added
30 Sep 2024
KEV fix due
21 Oct 2024
EPSS
84.48% likely to be exploited in the next 30 days, higher than 99.707% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.8CVSS 3.1, Criticalfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What to do

  • Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/an/a
  • n/a (affected)

Timeline

  1. 30 Jun 2020 Published
  2. 30 Sep 2024 CVE-2020-15415 added to CISA KEV
  3. 30 Sep 2024 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on OS command injection (CWE-78).

References