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.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 30 Jun 2020 Published
- 30 Sep 2024 CVE-2020-15415 added to CISA KEV
- 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).