RCE in Draytek Vigor2960
CVE-2020-15415
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 differe…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.842 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-15415?
- CVE-2020-15415 is a critical-severity vulnerability in Draytek Vigor2960, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-06-30.
- How severe is CVE-2020-15415?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-15415 known to be exploited?
- Yes. CVE-2020-15415 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-30), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.