Is CVE-2023-49792 in the CISA KEV catalog?

No. CVE-2023-49792 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-49792?

CVE-2023-49792 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-49792?

CVE-2023-49792 has an EPSS score of 1.04% (60th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-49792?

Upgrade nextcloud server to 27.1.4 or later.

CVE & CISA-KEV Catalog

CVE-2023-49792

MEDIUM

5.3

CVSS v3

NVD

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server prior to versions 26.0.9 and 27.1.4; as well as Nextcloud Enterprise Server prior to versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4; when a (reverse) proxy is configured as trusted proxy the server could be tricked into reading a wrong remote address for an attacker, allowing them executing authentication attempts than intended. Nextcloud Server versions 26.0.9 and 27.1.4 and Nextcloud Enterprise Server versions 23.0.12.13, 24.0.12.9, 25.0.13.4, 26.0.9, and 27.1.4 contain a patch for this issue. No known workarounds are available.

CWE-307

How to fix

Remediation Available

nextcloud serverNVD

Affected:>= 27.0.0, < 27.1.4Fixed in:27.1.4CVE-2023-49792derived 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

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.04%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Other references1

hackerone.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.