CVE-2020-28645 — CRITICAL (9.1)

Q: How severe is CVE-2020-28645?

CVE-2020-28645 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2020-28645?

Check the references section above for vendor advisories and patch information. Affected products include: Owncloud Owncloud.

Vulnerability Description

Deleting users with certain names caused system files to be deleted. Risk is higher for systems which allow users to register themselves and have the data directory in the web root. This affects ownCloud/core versions < 10.6.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Owncloud	Owncloud	< 10.6.0

Related Weaknesses (CWE)

CWE-20

References

https://owncloud.com/security-advisories/missing-user-validation-leading-to-infoVendor Advisory
https://owncloud.com/security-advisories/missing-user-validation-leading-to-infoVendor Advisory

FAQ

What is CVE-2020-28645?

CVE-2020-28645 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Deleting users with certain names caused system files to be deleted. Risk is higher for systems which allow users to register themselves and have the data directory in the web root. This affects ownCl...

How severe is CVE-2020-28645?

CVE-2020-28645 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-28645?

Check the references section above for vendor advisories and patch information. Affected products include: Owncloud Owncloud.