Desktop
CVE-2020-5537
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system. |
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Alert meAnalysisAI
Cybozu Desktop for Windows 2.0.23 to 2.2.40 allows remote code execution via unspecified vectors. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-20. Cybozu Desktop for Windows 2.0.23 to 2.2.40 allows remote code execution via unspecified vectors. Affected products include: Cybozu Desktop.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Cybozu Desktop for Windows 2.0.23 to 2.2.40 allows remote code execution via unspecified vectors.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowi
A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL confi
In Docker Desktop 4.17.x the Artifactory Integration falls back to sending registry credentials over plain HTTP if the H
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Serv
A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client wit
Docker Desktop allows local privilege escalation to NT AUTHORITY\SYSTEM because it mishandles the collection of diagnost
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Rated medium severity (CVSS 6.5), thi
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with a computer. Rated medium severity
Nextcloud is an open-source productivity platform. Rated medium severity (CVSS 6.4), this vulnerability is remotely expl
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Rated medium severity (CVSS 6.1), thi
Nexcloud desktop is the Desktop sync client for Nextcloud. Rated medium severity (CVSS 6.1), this vulnerability is remot
Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate ve
GitHub PoC
Exploit-DB