Known Exploited Vulnerability
9.8
CRITICAL
CVE-2020-15415
DrayTek Multiple Vigor Routers OS Command Injectio - [Actively Exploited]
Description

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.

INFO

Published Date :

June 30, 2020, 2:15 p.m.

Last Modified :

Oct. 7, 2024, 1:58 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

Required Action :

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

Notes :

https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-remote-code-injection/execution-vulnerability-(cve-2020-14472) ; https://nvd.nist.gov/vuln/detail/CVE-2020-15415

Public PoC/Exploit Available at Github

CVE-2020-15415 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-15415 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Draytek vigor2960_firmware
2 Draytek vigor300b_firmware
3 Draytek vigor3900_firmware
4 Draytek vigor2960
5 Draytek vigor300b
6 Draytek vigor3900
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-15415.

URL Resource
https://github.com/CLP-team/Vigor-Commond-Injection Exploit
https://www.draytek.com/about/security-advisory Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 4 weeks, 1 day ago
104 stars 18 fork 18 watcher
Born at : Nov. 26, 2022, 5:52 a.m. This repo has been linked 108 different CVEs too.

poc of ImageMagick hangs

Updated: 2 years, 3 months ago
2 stars 2 fork 2 watcher
Born at : April 9, 2020, 3:39 a.m. This repo has been linked 9 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-15415 vulnerability anywhere in the article.

  • The Cyber Express
86% of Users Neglect Critical Router Security, Says Latest Survey

It is not just enough to surf the internet, but equally important to safeguard its boundaries. However, a latest survey has exposed the knowledge and preparedness of internet users. It was found that ... Read more

Published Date: Oct 03, 2024 (4 days, 11 hours ago)
  • Cybersecurity News
CISA Adds Four Actively Exploited Vulnerabilities to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has once again raised the alarm, adding four new security vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog. These a ... Read more

Published Date: Oct 01, 2024 (6 days, 21 hours ago)
  • TheCyberThrone
CISA KEV Update Part VII – September 2024

The US CISA has added 4 vulnerabilities to its Known Exploited Vulnerability Catalog, based on the evidence of exploitationCVE-2019-0344 SAP Commerce Cloud Deserialization of Untrusted Data Vulnerabil ... Read more

Published Date: Oct 01, 2024 (6 days, 21 hours ago)

The following table lists the changes that have been made to the CVE-2020-15415 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Oct. 07, 2024

    Action Type Old Value New Value
    Changed Reference Type https://github.com/CLP-team/Vigor-Commond-Injection Exploit, Third Party Advisory https://github.com/CLP-team/Vigor-Commond-Injection Exploit
    Changed Reference Type https://www.draytek.com/about/security-advisory Third Party Advisory https://www.draytek.com/about/security-advisory Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Oct. 04, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-78
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Oct. 01, 2024

    Action Type Old Value New Value
    Added Due Date 2024-10-21
    Added Vulnerability Name DrayTek Multiple Vigor Routers OS Command Injection Vulnerability
    Added Date Added 2024-09-30
    Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jul. 02, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/CLP-team/Vigor-Commond-Injection No Types Assigned https://github.com/CLP-team/Vigor-Commond-Injection Exploit, Third Party Advisory
    Changed Reference Type https://www.draytek.com/about/security-advisory No Types Assigned https://www.draytek.com/about/security-advisory Third Party Advisory
    Added CWE NIST CWE-78
    Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1 OR cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1 OR cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1 OR cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-15415 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

94.31 }} 92.61%

score

0.99250

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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