CVE-2020-28645
CRITICAL
9.1
CVSS Score
Published: February 9, 2021 at 06:41 PM UTC
Updated: June 17, 2026 at 03:10 AM UTC
1 product affected across 1 vendorOwncloud
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Severity
CRITICAL9.1
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 10.6.0
Affected range stops below 10.6.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://owncloud.com/security-advisories/missing-user-validation-leading-to-information-disclosure/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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