CVE & CISA-KEV Catalog

CVE-2016-5311

HIGH
7.8
CVSS v3
NVD

Description

A Privilege Escalation vulnerability exists in Symantec Norton Antivirus, Norton AntiVirus with Backup, Norton Security, Norton Security with Backup, Norton Internet Security, Norton 360, Endpoint Protection Small Business Edition Cloud, and Endpoint Protection Cloud Client due to a DLL-preloading without path restrictions, which could let a local malicious user obtain system privileges.

How to fix

Remediation Available
endpoint protectionNVD
Affected:< 22.8.0.50Fixed in:22.8.0.50CVE-2016-5311derived from NVD
endpoint protection cloudNVD
Affected:< 22.8.0.50Fixed in:22.8.0.50CVE-2016-5311derived from NVD
norton 360NVD
Affected:< 22.7Fixed in:22.7CVE-2016-5311derived from NVD
norton antivirusNVD
Affected:< 22.7Fixed in:22.7CVE-2016-5311derived from NVD
norton antivirus with backupNVD
Affected:< 22.7Fixed in:22.7CVE-2016-5311derived from NVD
norton familyNVD
Affected:< 22.7Fixed in:22.7CVE-2016-5311derived from NVD
norton internet securityNVD
Affected:< 22.7Fixed in:22.7CVE-2016-5311derived from NVD
norton securityNVD
Affected:< 22.7Fixed in:22.7CVE-2016-5311derived from NVD
norton security with backupNVD
Affected:< 22.7Fixed in:22.7CVE-2016-5311derived 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

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.71%probability of exploitation in 30 days
49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Related Vulnerabilities

Other CWE-427 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-27955Critical9.883%--
CVE-2017-6517Critical9.846%--
CVE-2020-3153Medium6.528%KEV + RansomFix
CVE-2024-48990High7.820%-Fix
CVE-2019-9491High7.813%--
CVE-2020-3433High7.810%KEV + RansomFix
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Markdown

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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 2024-11-21.