Is CVE-2023-45151 in the CISA KEV catalog?

No. CVE-2023-45151 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-45151?

CVE-2023-45151 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-45151?

CVE-2023-45151 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-45151?

Upgrade nextcloud server to 26.0.3 or later.

CVE & CISA-KEV Catalog

CVE-2023-45151

MEDIUM

6.5

CVSS v3

NVD

Description

Nextcloud server is an open source home cloud platform. Affected versions of Nextcloud stored OAuth2 tokens in plaintext which allows an attacker who has gained access to the server to potentially elevate their privilege. This issue has been addressed and users are recommended to upgrade their Nextcloud Server to version 25.0.8, 26.0.3 or 27.0.1. There are no known workarounds for this vulnerability.

CWE-312

How to fix

Remediation Available

nextcloud serverNVD

Affected:>= 26.0.0, < 26.0.3Fixed in:26.0.3CVE-2023-45151derived 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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Other references1

hackerone.com

Related Vulnerabilities

Other CWE-312 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50719	High	7.5	84%	-	Fix
CVE-2022-26148	Critical	9.8	53%	-	Fix
CVE-2020-24577	High	7.5	19%	-	Fix
CVE-2021-27140	High	7.5	19%	-	-
CVE-2021-27176	High	7.5	19%	-	-
CVE-2021-27174	High	7.5	19%	-	-

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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.