Server-Side Request Forgery (SSRF) in Nextcloud Mail - CVE-2023-45660
Published: October 17, 2023
Vulnerability identifier: #VU82073
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:L/SI:N/SA:N]
CVE-ID: CVE-2023-45660
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker to perform a denial of service (DoS) attack.
Affected software
Nextcloud Mail
How to mitigate CVE-2023-45660
Install updates from vendor's website.
Nextcloud Mail - addressed in versions 2.2.8, 3.3.0