Vulnerability Details : CVE-2022-39334
Potential exploit
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.
Products affected by CVE-2022-39334
- cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-39334
0.02%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 3 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-39334
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N |
1.0
|
3.6
|
NIST | |
|
3.9
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
1.3
|
2.5
|
GitHub, Inc. |
CWE ids for CVE-2022-39334
-
The product does not validate, or incorrectly validates, a certificate.Assigned by:
- nvd@nist.gov (Secondary)
- security-advisories@github.com (Primary)
References for CVE-2022-39334
-
https://github.com/nextcloud/desktop/issues/4927
[Bug]: nextcloudcmd incorrectly trusts bad TLS certs · Issue #4927 · nextcloud/desktop · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-82xx-98xv-4jxv
nextcloudcmd incorrectly trusts bad TLS certificates · Advisory · nextcloud/security-advisories · GitHubThird Party Advisory
-
https://hackerone.com/reports/1699740
HackerOnePermissions Required;Third Party Advisory
-
https://github.com/nextcloud/desktop/pull/5022
Command-line client. Do not trust SSL certificates by default, unless '--trust' option is set. by allexzander · Pull Request #5022 · nextcloud/desktop · GitHubPatch;Third Party Advisory
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