Is CVE-2019-19547 in the CISA KEV catalog?

No. CVE-2019-19547 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19547?

CVE-2019-19547 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2019-19547?

CVE-2019-19547 has an EPSS score of 1.38% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19547?

Upgrade endpoint detection and response to 4.3.0 or later.

CVE & CISA-KEV Catalog

CVE-2019-19547

MEDIUM

6.1

CVSS v3

NVD

Description

Symantec Endpoint Detection and Response (SEDR), prior to 4.3.0, may be susceptible to a cross site scripting (XSS) issue. XSS is a type of issue that can enable attackers to inject client-side scripts into web pages viewed by other users. An XSS vulnerability may be used by attackers to potentially bypass access controls such as the same-origin policy.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

endpoint detection and responseNVD

Affected:< 4.3.0Fixed in:4.3.0CVE-2019-19547derived 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

1.38%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Vendor Advisory1

support.symantec.com

Other references2

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 2024-11-21.