CVE-2020-8515
Multiple DrayTek Vigor Routers Web Management Page - [Actively Exploited]
Description
DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. This issue has been fixed in Vigor3900/2960/300B v1.5.1.
INFO
Published Date :
Feb. 1, 2020, 1:15 p.m.
Last Modified :
July 25, 2024, 4:40 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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.
DrayTek Vigor3900, Vigor2960, and Vigor300B routers contain an unspecified vulnerability that allows for remote code execution.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2020-8515 has a 30 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-2020-8515
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.
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-2020-8515.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html | Permissions Required Third Party Advisory |
| https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/ | 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
None
None
CSS HTML JavaScript
None
Go PowerShell Python C#
poc集合(持续更新ing)
在公网收集的gobypoc+部分自己加的poc
A Common Vulnerability PoC Knowledge Base一个普遍漏洞POC知识库
vulnerability
None
Python
None
Python
None
Python
awesome iot exploit resource
iot security awesome awesome-list firmware hardware-hacking iot-device iot-security embedded exploit vulnerability
None
None
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
一个漏洞POC知识库 目前数量 1000+
poc
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-8515 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8515 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]
Jul. 25, 2024
Action Type Old Value New Value Changed Reference Type https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html Third Party Advisory https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html Permissions Required, Third Party Advisory Changed Reference Type https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/ No Types Assigned https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/ Vendor Advisory -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-%28cve-2020-8515%29/ [No types assigned] Removed Reference MITRE https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-(cve-2020-8515)/ -
Modified Analysis by [email protected]
Jan. 01, 2022
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html No Types Assigned http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html Exploit, Third Party Advisory, VDB Entry -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-74 CWE-78 -
CVE Modified by [email protected]
Mar. 31, 2020
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/156979/DrayTek-Vigor2960-Vigor3900-Vigor300B-Remote-Command-Execution.html [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 13, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) 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://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html No Types Assigned https://sku11army.blogspot.com/2020/01/draytek-unauthenticated-rce-in-draytek.html Third Party Advisory Changed Reference Type https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-(cve-2020-8515)/ No Types Assigned https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-(cve-2020-8515)/ Exploit, Vendor Advisory Added CWE NIST CWE-74 Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor2960_firmware:1.3.1:beta:*:*:*:*:*:* OR cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor300b_firmware:1.3.3:beta:*:*:*:*:*:* *cpe:2.3:o:draytek:vigor300b_firmware:1.4.2.1:beta:*:*:*:*:*:* *cpe:2.3:o:draytek:vigor300b_firmware:1.4.4:beta:*:*:*:*:*:* OR cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor3900_firmware:1.4.4:beta:*:*:*:*:*:* OR cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 10, 2020
Action Type Old Value New Value Changed Description DrayTek Vigor2960 1.3.1_Beta; Vigor3900 1.4.4_Beta; and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. DrayTek Vigor2960 1.3.1_Beta, Vigor3900 1.4.4_Beta, and Vigor300B 1.3.3_Beta, 1.4.2.1_Beta, and 1.4.4_Beta devices allow remote code execution as root (without authentication) via shell metacharacters to the cgi-bin/mainfunction.cgi URI. This issue has been fixed in Vigor3900/2960/300B v1.5.1. Added Reference https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-router-web-management-page-vulnerability-(cve-2020-8515)/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8515 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-8515
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
97.22 }} -0.06%
score
0.99873
percentile