Is CVE-2023-25818 in the CISA KEV catalog?

No. CVE-2023-25818 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-25818?

CVE-2023-25818 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-25818?

CVE-2023-25818 has an EPSS score of 0.60% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-25818?

Upgrade nextcloud server to 25.0.4 or later.

CVE & CISA-KEV Catalog

CVE-2023-25818

MEDIUM

5.3

CVSS v3

NVD

Description

Nextcloud server is an open source, personal cloud implementation. In affected versions a malicious user could try to reset the password of another user and then brute force the 62^21 combinations for the password reset token. As of commit `704eb3aa` password reset attempts are now throttled. Note that 62^21 combinations would significant compute resources to brute force. None the less it is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. There are no known workarounds for this vulnerability.

CWE-307

How to fix

Remediation Available

nextcloud serverNVD

Affected:>= 25.0.0, < 25.0.4Fixed in:25.0.4CVE-2023-25818derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.60%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Issue Tracking1

github.com

Related Vulnerabilities

Other CWE-307 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-17240	Critical	9.8	40%	-	-
CVE-2023-29301	High	7.5	29%	-	-
CVE-2023-22960	High	7.5	28%	-	Fix
CVE-2020-15906	Critical	9.8	27%	-	Fix
CVE-2016-9361	Critical	9.8	20%	-	-
CVE-2024-39225	Critical	9.8	15%	-	-

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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.