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CVE-2022-39334
nextcloudcmd incorrectly trusts bad TLS certificates
Low3.9EPSS 0.20%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Low3.9 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium4.7 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.20% · top 90% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.9.
Weakness
Affected products
nextcloud · security-advisories
- affected < 3.6.1
References (5)
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-82xx-98xv-4jxv (opens in a new tab)x_transferred
- https://github.com/nextcloud/desktop/issues/4927 (opens in a new tab)x_transferred
- https://github.com/nextcloud/desktop/pull/5022 (opens in a new tab)x_transferred
- https://hackerone.com/reports/1699740 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2025/09/msg00018.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-39334)Record last updated .