How severe is CVE-2019-19547?

CVE-2019-19547 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-19547 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19547?

CVE-2019-19547 primarily affects Symantec Endpoint Detection And Response. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19547?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-19547 published?

CVE-2019-19547 was published on 2020-01-13 and last updated on 2026-06-17.

CVE-2019-19547

CVE-2019-19547 is a medium-severity vulnerability in Symantec Endpoint Detection And Response with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Symantec Endpoint Detection And Response
Published: 2020-01-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-19547?: 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.
How severe is CVE-2019-19547?: CVE-2019-19547 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-19547 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19547?: CVE-2019-19547 primarily affects Symantec Endpoint Detection And Response. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19547?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19547 published?: CVE-2019-19547 was published on 2020-01-13 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:symantec:endpoint_detection_and_response:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*

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