CVE-2023-49105

Description

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs can be accepted even when no signing-key is configured for the owner of the files. The earliest affected version is 10.6.0.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 86.87% Top 5%
Vendor Advisory owncloud.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://owncloud.org/security product
https://owncloud.com/security-advisories/webdav-api-authentication-bypass-using-pre-signed-urls/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-49105?
CVE-2023-49105 has been scored as a critical severity vulnerability.
How to fix CVE-2023-49105?
To fix CVE-2023-49105, 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-2023-49105 being actively exploited in the wild?
It is possible that CVE-2023-49105 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~87% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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