How severe is CVE-2015-8154?

CVE-2015-8154 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-8154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8154?

CVE-2015-8154 affects Symantec Endpoint Protection Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8154?

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-2015-8154 published?

CVE-2015-8154 was published on 2016-03-18 and last updated on 2026-06-17.

CVE-2015-8154

CVE-2015-8154 is a high-severity vulnerability in Symantec Endpoint Protection Manager with a CVSS 3.x base score of 8.8. 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-264.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.3
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Symantec Endpoint Protection Manager
Published: 2016-03-18
Last modified: 2026-06-17

Description

The SysPlant.sys driver in the Application and Device Control (ADC) component in the client in Symantec Endpoint Protection (SEP) 12.1 before RU6-MP4 allows remote attackers to execute arbitrary code via a crafted HTML document, related to "RWX Permissions."

Frequently asked questions

What is CVE-2015-8154?: The SysPlant.sys driver in the Application and Device Control (ADC) component in the client in Symantec Endpoint Protection (SEP) 12.1 before RU6-MP4 allows remote attackers to execute arbitrary code via a crafted HTML document, related to "RWX Permissions."
How severe is CVE-2015-8154?: CVE-2015-8154 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-8154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8154?: CVE-2015-8154 affects Symantec Endpoint Protection Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8154?: 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-2015-8154 published?: CVE-2015-8154 was published on 2016-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:symantec:endpoint_protection_manager:*:ru6mp3:*:*:*:*:*:*

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