CVE-2023-48307

Nextcloud Mail app vulnerable to Server-Side Request Forgery

Description

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.

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999 vendor advisory
https://github.com/nextcloud/mail/pull/8709 patch issue tracking
https://hackerone.com/reports/1869714 permissions required

Frequently Asked Questions

What is the severity of CVE-2023-48307?
CVE-2023-48307 has been scored as a low severity vulnerability.
How to fix CVE-2023-48307?
To fix CVE-2023-48307, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-48307 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-48307 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-48307?
CVE-2023-48307 affects nextcloud security-advisories.
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