Vulnerability in Symantec Endpoint Protection
CVE-2016-5311
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Symantec Endpoint Protection
- Symantec Endpoint Protection Cloud
- Symantec Endpoint Protection Small Business Edition Cloud, And Cloud Client — versions before 22.8.0.50
- Symantec Norton 360
- Symantec Norton Antivirus
- Symantec Norton Antivirus, Antivirus With Backup, Security, Security Internet 360 — versions before 22.7
- Symantec Norton Antivirus With Backup
- Symantec Norton Family
- Symantec Norton Internet Security
- Symantec Norton Security
Weakness classification (CWE)
References
- www.securityfocus.com/bid/94295 (VDB Entry, Third Party Advisory)
- www.securitytracker.com/id/1037323 (VDB Entry, Third Party Advisory)
- www.securitytracker.com/id/1037324 (VDB Entry, Third Party Advisory)
- www.securitytracker.com/id/1037325 (VDB Entry, Third Party Advisory)
- www.symantec.com/security_response/securityupdates/detail.jsp (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-5311?
- CVE-2016-5311 is a high-severity vulnerability in Symantec Endpoint Protection, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2020-01-09.
- How severe is CVE-2016-5311?
- High severity. CVSS v3 base score is 7.8 out of 10.