CVE-2023-48307

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versions 2.2.8 and 3.3.0 contain a patch for this issue. As a workaround, disable the mail app.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/nextcloud/mail/pull/8709	Issue Tracking Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999	Vendor Advisory
https://hackerone.com/reports/1869714	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:mail::::::::
	cpe:2.3:a:nextcloud:mail::::::::

History

30 Nov 2023, 16:40

Type	Values Removed	Values Added
First Time		Nextcloud Nextcloud mail
CPE		cpe:2.3:a:nextcloud:mail::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
References	~~() https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999 -~~	() https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999 - Vendor Advisory
References	~~() https://github.com/nextcloud/mail/pull/8709 -~~	() https://github.com/nextcloud/mail/pull/8709 - Issue Tracking, Patch
References	~~() https://hackerone.com/reports/1869714 -~~	() https://hackerone.com/reports/1869714 - Permissions Required

21 Nov 2023, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-11-21 23:15

Updated : 2023-12-10 15:26

NVD link : CVE-2023-48307

Mitre link : CVE-2023-48307

CVE.ORG link : CVE-2023-48307

JSON object : View

Products Affected

nextcloud

mail

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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