CVE-2020-8150
MEDIUM
4.1
CVSS Score
Published: November 9, 2020 at 02:19 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorNextcloud/server
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Severity
MEDIUM4.1
Exploit prediction
EPSS 0.3%
Description
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Nextcloud/server· Nextcloudnextcloud-app
95%v < 19.0.219.0.2
Affected range stops below 19.0.2, 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 (5)
Mailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/Dec/55Mailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/Dec/57Mailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2020/Dec/58x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/742588x_refsource_MISCVendor Advisory
Source: [email protected]
https://nextcloud.com/security/advisory/?id=NC-SA-2020-039CVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-310CWE-311
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