#VU23955 Spoofing attack in Postie - CVE-2019-20203
Published: January 6, 2020 / Updated: June 17, 2021
Vulnerability identifier: #VU23955
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2019-20203
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Postie
Postie
Software vendor:
Wayne Allen
Wayne Allen
Description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in the Authorized Addresses feature. A remote attacker can spoof the From information of an email message and publish a post as a valid user.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.