Is CVE-2022-39339 in the CISA KEV catalog?

No. CVE-2022-39339 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-39339?

CVE-2022-39339 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2022-39339?

CVE-2022-39339 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-39339?

Upgrade openid connect user backend to 1.2.1 or later.

CVE & CISA-KEV Catalog

CVE-2022-39339

MEDIUM

4.3

CVSS v3

NVD

Description

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).

CWE-319

How to fix

Remediation Available

openid connect user backendNVD

Affected:< 1.2.1Fixed in:1.2.1CVE-2022-39339derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Patch2

Third-Party Advisory1

hackerone.com

Related Vulnerabilities

Other CWE-319 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-12710	High	8.0	77%	-	-
CVE-2024-25735	Critical	9.1	51%	-	Fix
CVE-2019-3993	High	7.5	46%	-	-
CVE-2017-5259	High	8.8	39%	-	-
CVE-2016-5649	Critical	9.8	27%	-	-
CVE-2021-39341	High	8.2	23%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.