9.8

CVE-2020-15415

Warnung
Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Draytek ≫ Vigor3900 Firmware Version < 1.5.1
   Draytek ≫ Vigor3900 Version -
Draytek ≫ Vigor2960 Firmware Version < 1.5.1
   Draytek ≫ Vigor2960 Version -
Draytek ≫ Vigor300b Firmware Version < 1.5.1
   Draytek ≫ Vigor300b Version -

30.09.2024: CISA Known Exploited Vulnerabilities (KEV) Catalog

DrayTek Multiple Vigor Routers OS Command Injection Vulnerability

Schwachstelle

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.

Beschreibung

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

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 84.6% 0.997
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NIST 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
CISA-ADP 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

https://www.draytek.com/about/security-advisory
Vendor Advisory
https://github.com/CLP-team/Vigor-Commond-Injection
Exploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-15415
US Government Resource