CVE-2016-3647

CVE-2016-3647 is a high-severity vulnerability in Symantec Endpoint Protection Manager with a CVSS 3.x base score of 7.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5 allows remote authenticated users to conduct server-side request forgery (SSRF) attacks, and trigger network traffic to arbitrary intranet hosts, via a crafted request.

Frequently asked questions

What is CVE-2016-3647?
Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5 allows remote authenticated users to conduct server-side request forgery (SSRF) attacks, and trigger network traffic to arbitrary intranet hosts, via a crafted request.
How severe is CVE-2016-3647?
CVE-2016-3647 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-3647 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3647?
CVE-2016-3647 affects Symantec Endpoint Protection Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3647?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-3647 published?
CVE-2016-3647 was published on 2016-06-30 and last updated on 2026-06-17.

References

Affected products (1)

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