Home/CVE/A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL confi
CVE

CVE-2020-8224

A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL confi

A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL config into a fixed directory.

HIGH · CVSS 7.8 EPSS 0.00188
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules6 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

1
nextcloud desktop< 2.6.5
⚠

Public Exploits & PoCs

1
pochackerone.com · 622170hackerone.com
◈

Sigma Hunt Rules

6
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighUser Added to Remote Desktop Users Group
producthighNgrok Usage with Remote Desktop Service
productmediumInstallation of TeamViewer Desktop
productmediumDesktop.INI Created by Uncommon Process
productmediumPotential Remote Desktop Tunneling
productmediumNew Remote Desktop Connection Initiated Via Mstsc.EXE
▣

Scoring & Timeline

7.8
HIGH · 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 NVD10 Aug 2020 · 02:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://nextcloud.com/security/advisory/?id=NC-SA-2020-030Broken LinkVendor Advisory
https://security.gentoo.org/glsa/202009-09Third Party Advisory
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