Is CVE-2023-32318 in the CISA KEV catalog?

No. CVE-2023-32318 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-32318?

CVE-2023-32318 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2023-32318?

CVE-2023-32318 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-32318?

Upgrade nextcloud server to 25.0.6 or later.

CVE & CISA-KEV Catalog

CVE-2023-32318

HIGH

7.2

CVSS v3

NVD

Description

Nextcloud server provides a home for data. A regression in the session handling between Nextcloud Server and the Nextcloud Text app prevented a correct destruction of the session on logout if cookies were not cleared manually. After successfully authenticating with any other account the previous session would be continued and the attacker would be authenticated as the previously logged in user. It is recommended that the Nextcloud Server is upgraded to 25.0.6 or 26.0.1.

CWE-613

How to fix

Remediation Available

nextcloud serverNVD

Affected:>= 25.0.2, < 25.0.6Fixed in:25.0.6CVE-2023-32318derived 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 VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-613 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-2595	Critical	9.8	17%	-	-
CVE-2023-30403	High	7.5	15%	-	-
CVE-2020-27422	Critical	9.8	7.8%	-	-
CVE-2014-3616	Medium	4.3	5.7%	-	Fix
CVE-2021-3144	Critical	9.1	5.2%	-	Fix
CVE-2021-24019	High	8.1	3.8%	-	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.