9.8
CRITICAL
CVE-2023-31447
Draytek Vigor2620/2925 RCE Buffer Overflow
Description

user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.

INFO

Published Date :

Aug. 21, 2023, 5:15 p.m.

Last Modified :

Aug. 30, 2023, 8:50 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-31447 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 vigor2620_firmware
2 Draytek vigor2625_firmware
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-2023-31447.

URL Resource
https://draytek.com Product
https://gist.github.com/rrrrrrri/013c9eef64b265af4163478bfcf29ff4 Third Party 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).

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

The following list is the news that have been mention CVE-2023-31447 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-31447 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
  • Initial Analysis by [email protected]

    Aug. 30, 2023

    Action Type Old Value New Value
    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://draytek.com No Types Assigned https://draytek.com Product
    Changed Reference Type https://gist.github.com/rrrrrrri/013c9eef64b265af4163478bfcf29ff4 No Types Assigned https://gist.github.com/rrrrrrri/013c9eef64b265af4163478bfcf29ff4 Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor2620_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.9.8.4 OR cpe:2.3:h:draytek:vigor2620:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:draytek:vigor2625_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:draytek:vigor2625:-:*:*:*:*:*:*:*
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-2023-31447 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-2023-31447 weaknesses.

Exploit Prediction

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

0.25 }} 0.10%

score

0.65651

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
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