CVE-2020-14993
DrayTek Vigor2960, Vigor3900, and Vigor300B Remote Stack-Based Buffer Overflow
Description
A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.
INFO
Published Date :
June 23, 2020, 12:15 p.m.
Last Modified :
Nov. 7, 2023, 3:17 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2020-14993 has a 1 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-2020-14993
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-2020-14993.
| URL | Resource |
|---|---|
| https://github.com/dexterone/Vigor-poc | Exploit Third Party Advisory |
| https://www.draytek.com/about/security-advisory | Vendor Advisory |
| https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29 |
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).
poc of ImageMagick hangs
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-14993 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-14993 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.
-
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-stack-based-buffer-overflow-vulnerability-%28cve-2020-14473%29 [No types assigned] Removed Reference MITRE https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473) -
Initial Analysis by [email protected]
Jun. 29, 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/dexterone/Vigor-poc No Types Assigned https://github.com/dexterone/Vigor-poc Exploit, Third Party Advisory Changed Reference Type https://www.draytek.com/about/security-advisory No Types Assigned https://www.draytek.com/about/security-advisory Vendor Advisory Changed Reference Type https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473) No Types Assigned https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473) Patch, Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1.1 OR cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1.1 OR cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1.1 OR cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 24, 2020
Action Type Old Value New Value Added Reference https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473) [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-2020-14993 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-2020-14993
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
10.50 }} 2.18%
score
0.94439
percentile