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CVE

CVE-2020-8150

A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the in

A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.

MEDIUM · CVSS 4.1 EPSS 0.00036
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-311Missing Encryption of Sensitive Data
▤

Affected Products & Versions

1
nextcloud server< 19.0.2
⚠

Public Exploits & PoCs

1
pochackerone.com · 742588hackerone.com
▣

Scoring & Timeline

4.1
MEDIUM · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Nov 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2020/Dec/55Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/57Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2020/Dec/58Mailing ListThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-039Vendor Advisory
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