Is CVE-2020-15415 actively exploited?

CVE-2020-15415 has no public evidence of in-the-wild exploitation as of 2025-11-07.

What is the CVSS score for CVE-2020-15415?

CVE-2020-15415 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-15415?

Patch guidance is available from draytek security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-15415.

Fix CVE-2020-15415 - CRITICAL draytek vigor3900 firmware

Q: Which products are affected by CVE-2020-15415?

3 products: draytek vigor3900 firmware, draytek vigor2960 firmware, draytek vigor300b firmware.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection CWE-78 · OS Command Injection

Metadata

Primary Vendor: DRAYTEK
Published: 6/30/2020
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

draytek : vigor3900_firmwaredraytek : vigor2960_firmwaredraytek : vigor300b_firmware

Remediation Guidance

Executive Summary

View on NIST NVD