Is CVE-2016-2209 being actively exploited?

CVE-2016-2209 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2016-2209?

CVE-2016-2209 has a CVSS 3.0 base score of 7.3 (HIGH).

CVE-2016-2209

HIGH · CVSS 7.3EPSS 20.9%EU EUVD

Buffer overflow in Dec2SS.dll in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec Data Center Security:Server (SDCS:S) 6.x through 6.6 MP1; Symantec Web Gateway; Symantec Endpoint Protection (SEP) before 12.1 RU6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1 RU6 MP5; Symantec Protection Engine (SPE) before 7.0.5 HF01, 7.5.x before 7.5.3 HF03, 7.5.4 before HF01, and 7.8.0 before HF01; Symantec Protection for SharePoint Servers (SPSS) 6.0.3 through 6.0.5 before 6.0.5 HF 1.5 and 6.0.6 before HF 1.6; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 7.0_3966002 HF1.1 and 7.5.x before 7.5_3966008 VHF1.2; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF1.1 and 8.1.x before 8.1.3 HF1.2; CSAPI before 10.0.4 HF01; Symantec Message Gateway (SMG) before 10.6.1-4; Symantec Message Gateway for Service Providers (SMG-SP) 10.5 before patch 254 and 10.6 before patch 253; Norton AntiVirus, Norton Security, Norton Internet Security, and Norton 360 before NGC 22.7; Norton Security for Mac before 13.0.2; Norton Power Eraser (NPE) before 5.1; and Norton Bootable Removal Tool (NBRT) before 2016.1 allows remote attackers to execute arbitrary code via a crafted file.

Key facts

CVSS score: 7.3 (v3.0)
Severity: HIGH
CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Weakness (CWE): CWE-119
EPSS score: 20.9% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2016-3293)
Published: June 30, 2016
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2016-3293 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

apple / macos
linux / linux kernel
symantec / advanced threat protection
symantec / csapi
symantec / data center security server
symantec / data center security server
symantec / data center security server
symantec / data center security server
symantec / data center security server
symantec / data center security server
symantec / endpoint protection
symantec / endpoint protection
symantec / endpoint protection
symantec / endpoint protection
symantec / endpoint protection
symantec / mail security for domino
symantec / mail security for microsoft exchange
symantec / mail security for microsoft exchange
symantec / message gateway
symantec / message gateway for service providers
symantec / message gateway for service providers
symantec / ngc
symantec / norton 360
symantec / norton antivirus
symantec / norton bootable removal tool
symantec / norton internet security
symantec / norton power eraser
symantec / norton security
symantec / norton security
symantec / norton security with backup
symantec / protection engine
symantec / protection engine
symantec / protection for sharepoint servers
symantec / protection for sharepoint servers
symantec / protection for sharepoint servers
symantec / protection for sharepoint servers

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

SYMANTEC MESSAGING GATEWAY v10.6.1-4 - Symantec Corporation - Common Criteria Number: 2016/101 - archived

References

http://www.securityfocus.com/bid/91436(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1036198(Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1036199(Third Party Advisory, VDB Entry)
https://www.exploit-db.com/exploits/40037/(Third Party Advisory, VDB Entry)
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_00(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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