PT-2020-6997 · Draytek · Draytek Vigor2960

Published 2020-05-04 · Updated 2024-12-10 · CVE-2020-19664

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions DrayTek Vigor2960 version 1.5.1

Description The issue allows remote command execution via shell metacharacters in a toLogin2FA action to mainfunction.cgi. This is due to the failure to neutralize special elements. Exploitation of the issue may allow a remote attacker to execute arbitrary code.

Recommendations For DrayTek Vigor2960 version 1.5.1, consider disabling access to the mainfunction.cgi script or restricting the toLogin2FA action until a patch is available. As a temporary workaround, avoid using shell metacharacters in the toLogin2FA action to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2024-11408

CVE-2020-19664

Affected Products

Draytek Vigor2960

References · 11

• 🔥 https://github.com/peanuts62/bug_poc · Exploit
• 🔥 https://github.com/minghangshen/bug_poc · Exploit
• 🔥 https://nosec.org/home/detail/4631.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-19664 · Security Note
• https://bdu.fstec.ru/vul/2024-11408 · Security Note
• https://osv.dev/vulnerability/CVE-2020-19664 · Vendor Advisory
• https://t.me/cibsecurity/21445 · Telegram Post
• https://t.me/aptreports/14679 · Telegram Post
• https://draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-remote-code-injection/execution-vulnerability-%28cve-2020-19664%29 · Note
• https://twitter.com/WhichbufferArda/status/1789405270638002549 · Twitter Post
• https://t.me/cvenotify/8342 · Telegram Post