Is CVE-2016-5308 in the CISA KEV catalog?

No. CVE-2016-5308 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-5308?

CVE-2016-5308 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2016-5308?

CVE-2016-5308 has an EPSS score of 2.42% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-5308?

Upgrade client intrusion detection system to 15.0.6 or later.

CVE & CISA-KEV Catalog

CVE-2016-5308

MEDIUMEPSS 82th pctl

5.5

CVSS v3

NVD

Description

The Client Intrusion Detection System (CIDS) driver before 15.0.6 in Symantec Endpoint Protection (SEP) and before 15.1.2 in Norton Security allows remote attackers to cause a denial of service (memory corruption and system crash) via a malformed Portable Executable (PE) file.

CWE-119Buffer Overflow

How to fix

Remediation Available

client intrusion detection systemNVD

Affected:< 15.0.6Fixed in:15.0.6CVE-2016-5308derived 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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

2.42%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Vendor Advisory1

symantec.com

Third-Party Advisory3

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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 2026-05-06.