Is CVE-2024-27794 in the CISA KEV catalog?

No. CVE-2024-27794 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27794?

CVE-2024-27794 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2024-27794?

CVE-2024-27794 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27794?

Upgrade filemaker server to 20.3.2 or later.

CVE & CISA-KEV Catalog

CVE-2024-27794

MEDIUM

6.1

CVSS v3

NVD

Description

Claris FileMaker Server before version 20.3.2 was susceptible to a reflected Cross-Site Scripting vulnerability due to an improperly handled parameter in the FileMaker WebDirect login endpoint. The vulnerability was resolved in FileMaker Server 20.3.2 by escaping the HTML contents of the login error message on the login page.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

filemaker serverNVD

Affected:< 20.3.2Fixed in:20.3.2CVE-2024-27794derived 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 InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Vendor Advisory1

support.claris.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	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 2024-12-11.