user_oidc is an OpenID Connect user backend for Nextcloud. In versions prior to 1.2.1 sensitive information such as the OIDC client credentials and tokens are sent in plain text of HTTP without TLS. Any malicious actor with access to monitor user traffic may have been able to compromise account security. This issue has been addressed in in user_oidc v1.2.1. Users are advised to upgrade. Users unable to upgrade may use https to access Nextcloud. Set an HTTPS discovery URL in the provider settings (in Nextcloud OIDC admin settings).
Published 2022-11-25 19:15:12
Updated 2022-12-01 20:43:02
Source GitHub, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2022-39339

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-39339

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.8
1.4
NIST
4.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
2.8
1.4
GitHub, Inc.

CWE ids for CVE-2022-39339

  • The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security-advisories@github.com (Secondary)

References for CVE-2022-39339

Products affected by CVE-2022-39339

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