How severe is CVE-2016-5304?

CVE-2016-5304 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-5304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5304?

CVE-2016-5304 affects Symantec Endpoint Protection Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5304?

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

When was CVE-2016-5304 published?

CVE-2016-5304 was published on 2016-06-30 and last updated on 2026-06-17.

CVE-2016-5304

CVE-2016-5304 is a medium-severity vulnerability in Symantec Endpoint Protection Manager with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.9
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Endpoint Protection Manager
Published: 2016-06-30
Last modified: 2026-06-17

Description

Open redirect vulnerability in a report-routing component in Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5 allows remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.

Frequently asked questions

What is CVE-2016-5304?: Open redirect vulnerability in a report-routing component in Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5 allows remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.
How severe is CVE-2016-5304?: CVE-2016-5304 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-5304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5304?: CVE-2016-5304 affects Symantec Endpoint Protection Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-5304 published?: CVE-2016-5304 was published on 2016-06-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:symantec:endpoint_protection_manager:*:mp4:*:*:*:*:*:*

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