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5 vulnerabilities found for by nextcloud

CVE-2023-28997 (GCVE-0-2023-28997)
Vulnerability from cvelistv5
Published
2023-04-04 12:42
Modified
2025-11-03 18:08
Severity ?
6.7 (Medium) - CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
CWE
  • CWE-323 - Reusing a Nonce, Key Pair in Encryption
Summary
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available.
References
Impacted products
Vendor Product Version
nextcloud security-advisories Version: >= 3.0.0, < 3.6.5
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-39334 (GCVE-0-2022-39334)
Vulnerability from cvelistv5
Published
2022-11-25 00:00
Modified
2025-11-03 18:08
Severity ?
3.9 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-295 - Improper Certificate Validation
Summary
Nextcloud also ships a CLI utility called nextcloudcmd which is sometimes used for automated scripting and headless servers. Versions of nextcloudcmd prior to 3.6.1 would incorrectly trust invalid TLS certificates, which may enable a Man-in-the-middle attack that exposes sensitive data or credentials to a network attacker. This affects the CLI only. It does not affect the standard GUI desktop Nextcloud clients, and it does not affect the Nextcloud server.
References
Impacted products
Vendor Product Version
nextcloud security-advisories Version: < 3.6.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-39333 (GCVE-0-2022-39333)
Vulnerability from cvelistv5
Published
2022-11-25 00:00
Modified
2025-11-03 18:08
Severity ?
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue.
References
Impacted products
Vendor Product Version
nextcloud security-advisories Version: < 3.6.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-39332 (GCVE-0-2022-39332)
Vulnerability from cvelistv5
Published
2022-11-25 00:00
Modified
2025-11-03 18:08
Severity ?
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application via user status and information. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue.
References
Impacted products
Vendor Product Version
nextcloud security-advisories Version: < 3.6.1
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2022-39331 (GCVE-0-2022-39331)
Vulnerability from cvelistv5
Published
2022-11-25 00:00
Modified
2025-11-03 18:08
Severity ?
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application in the notifications. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue.
References
Impacted products
Vendor Product Version
nextcloud security-advisories Version: < 3.6.1
 Create a notification for this product.
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        "references": [
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            "tags": [
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            "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3xh-q694-6rc5"
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            "url": "https://github.com/nextcloud/desktop/pull/4944"
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            "url": "https://hackerone.com/reports/1668028"
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            "url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html"
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        "title": "CVE Program Container"
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        "metrics": [
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              "content": {
                "id": "CVE-2022-39331",
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                "role": "CISA Coordinator",
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          "value": "Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application in the notifications. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
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      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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      "source": {
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        "discovery": "UNKNOWN"
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