CVE-2020-19664: DrayTek Vigor2960 1.5.1 allows remote command execution via shell metacharacters in a toLogin2FA action to mainfunction.cgi

High severity · published Dec 31, 2020

CVE-2020-19664

DrayTek Vigor2960 1.5.1 allows remote command execution via shell metacharacters in a toLogin2FA action to mainfunction.cgi

8.8

CVSS

5.5%

EPSS

On KEV

Description

DrayTek Vigor2960 1.5.1 allows remote command execution via shell metacharacters in a toLogin2FA action to mainfunction.cgi.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)5.5% · higher than 93% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Vigor2960 Firmware · Draytek

through 1.5.1 · source: NVD

Affected product

Vigor2960 Firmware

Draytek

All Vigor2960 Firmware CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-19664

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-19664

Exploit

https://github.com/minghangshen/bug_poc

Exploit

https://nosec.org/home/detail/4631.html

www.draytek.com

https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-remote-code-injection/execution-vulnerability-%28cve-2020-19664%29/