Is CVE-2022-39346 in the CISA KEV catalog?

No. CVE-2022-39346 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-39346?

CVE-2022-39346 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2022-39346?

CVE-2022-39346 has an EPSS score of 0.99% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-39346?

Upgrade nextcloud enterprise server to 24.0.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2022-39346

LOW

3.5

CVSS v3

NVD

Description

Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to 22.2.10, 23.0.7 or 24.0.3. There are no known workarounds for this issue.

CWE-20Improper Input Validation CWE-400Resource Exhaustion

How to fix

Remediation Available

nextcloud enterprise serverNVD

Affected:>= 24.0.0, < 24.0.3Fixed in:24.0.3CVE-2022-39346derived from NVD

nextcloud serverNVD

Affected:>= 24.0.0, < 24.0.3Fixed in:24.0.3CVE-2022-39346derived 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 RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.99%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Other references3

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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.