Executive Summary

Informations
Name CVE-2022-45440 First vendor Publication 2023-01-17
Vendor Cve Last vendor Modification 2023-07-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 4.4
Base Score 4.4 Environmental Score 4.4
impact SubScore 3.6 Temporal Score 4.4
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45440

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-59 Improper Link Resolution Before File Access ('Link Following')

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2

Sources (Detail)

Source Url
CONFIRM https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-ad...

Alert History

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Date Informations
2023-07-08 00:28:20
  • Multiple Updates
2023-01-25 21:27:22
  • Multiple Updates
2023-01-18 02:13:58
  • Multiple Updates
2023-01-18 02:13:45
  • Multiple Updates
2023-01-17 17:27:20
  • Multiple Updates
2023-01-17 09:27:15
  • First insertion