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CVE-2020-15415

Published: Jun 30, 2020Updated: Nov 7, 2025 Sources: CVE List NVD BDUCWE-78
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
84.6%
Top 0.3%
CISA KEV
Active Exploitation
Since Sep 30, 2024
Exploits
No Known Exploits
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-78

Affected Products

n/an/a
vigor3900 firmwaredraytekNetworking Infrastructure
vigor2960 firmwaredraytekNetworking Infrastructure
vigor300b firmwaredraytekNetworking Infrastructure
Vigor3900DrayTekNetworking Infrastructure
draytekcommercialTWNetworking Infrastructureaka draytek corp.
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Sep 30, 2024
Remediation due:Oct 21, 2024

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://www.draytek.com/about/security-advisory
draytek.com
https://github.com/CLP-team/Vigor-Commond-Injection
github.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15415
cisa.gov
and 4 more references View all →

Timeline

Published
Jun 30, 2020
Added to CISA KEV
Sep 30, 2024
Last Updated
Nov 7, 2025

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