CVE-2022-45440
Zyxel AX7501-B0 FTP Server Symbolic Link Injection Vulnerability
Description
A vulnerability exists in the FTP server of the Zyxel AX7501-B0 firmware prior to V5.17(ABPC.3)C0, which processes symbolic links on external storage media. A local authenticated attacker with administrator privileges could abuse this vulnerability to access the root file system by creating a symbolic link on external storage media, such as a USB flash drive, and then logging into the FTP server on a vulnerable device.
INFO
Published Date :
Jan. 17, 2023, 2:15 a.m.
Last Modified :
July 7, 2023, 6:42 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
0.8
Public PoC/Exploit Available at Github
CVE-2022-45440 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2022-45440.
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).
Vulnerabilities in Zyxel devices
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-45440 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-45440 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 -
Reanalysis by [email protected]
Jul. 07, 2023
Action Type Old Value New Value Removed CWE NIST CWE-552 Added CWE NIST CWE-59 -
Initial Analysis by [email protected]
Jan. 25, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-wifi-credentials-and-improper-symbolic-links-of-ftp-for-ax7501-b0-cpe No Types Assigned https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-cleartext-storage-of-wifi-credentials-and-improper-symbolic-links-of-ftp-for-ax7501-b0-cpe Vendor Advisory Added CWE NIST CWE-552 Added CPE Configuration AND OR *cpe:2.3:o:zyxel:ax7501-b0_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.17\(abpc.3\)c0 OR cpe:2.3:h:zyxel:ax7501-b0:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-45440 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-2022-45440
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile