CVE-2020-15415
Actively exploited. CVE-2020-15415 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-09-30) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2020-15415 is indexed in Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
DrayTek Vigor3900, Vigor2960, and Vigor300B devices contain an OS command injection vulnerability in cgi-bin/mainfunction.cgi/cvmcfgupload that allows for remote code execution via shell metacharacters in a filename when the text/x-python-script content type is used.
CSIRTS triage
- What
- DrayTek Vigor devices have an OS command injection vulnerability.
- Who is affected
- Remote attackers can exploit this vulnerability on the specified Vigor models.
- Urgency
- Remediation is critical due to active exploitation and high severity.
- Action
- Install the latest firmware update for the affected Vigor models.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2020-15415 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2020-15415: DrayTek Multiple Vigor Routers OS Command Injection Vulnerabilitycisa-kev · 2024-09-30
External references
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[](https://www.csirts.com/cve/CVE-2020-15415)