Which products and versions are affected by CVE-2016-2211?

Affected: Advanced Threat Protection (Symantec); Csapi (Symantec); Data Center Security Server (Symantec) versions 6.0, 6.0-mp1, 6.5, 6.5-mp1, 6.6, 6.6-mp1, among others. The full list is in the CVE brief.

Is CVE-2016-2211 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2016-2211 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2016-2211?

No public exploit code is known.

Is there a fix for CVE-2016-2211?

Fixed versions are available, including Advanced Threat Protection 2.0.3, Csapi 10.0.4, Mail Security For Domino 8.0.9.

How urgently should CVE-2016-2211 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2016-2211

High

Published Jun 30, 2016 · Updated May 6, 2026

Key Facts

Patch immediately

CVE-2016-2211 is a high-severity vulnerability (CVSS 7.8 v3) affecting Advanced Threat Protection (Symantec), Csapi (Symantec), Data Center Security Server (Symantec) and 15 more products.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 53% probability of exploitation in the next 30 days.
Fixed versions are available, including Advanced Threat Protection 2.0.3, Csapi 10.0.4, Mail Security For Domino 8.0.9.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3

7.8

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

EPSS (30-day exploit likelihood)

53%

Higher than 98.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2016-2211 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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 or cause a denial of service (memory corruption) via a crafted CAB file that is mishandled during decompression.

Affected Products

34 affected entries in total

Product	Affected versions	Fixed in
Advanced Threat ProtectionSymantec	See advisory	2.0.3
CsapiSymantec	See advisory	10.0.4
Data Center Security ServerSymantec	6.0, 6.0-mp1, 6.5, 6.5-mp1, 6.6, 6.6-mp1	n/a
Endpoint ProtectionSymantec	12.1.6-mp1, 12.1.6-mp1a, 12.1.6-mp2, 12.1.6-mp3, 12.1.6-mp4	n/a
Mail Security For DominoSymantec	See advisory	8.0.9

13 more affected products in the full CVE brief

Patched Releases

Advanced Threat Protection

2.0.3

Csapi

10.0.4

Mail Security For Domino

8.0.9

Mail Security For Microsoft Exchange

7.0.4

Message Gateway

10.6.1-3

Ngc

22.6

Norton Bootable Removal Tool

2016.0

Norton Power Eraser

5.0

Norton Security

13.0.1

Protection Engine

7.0.5

Timeline

Publicly disclosed
Jun 30, 2016
Last updated
May 6, 2026

Weakness Type

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

advisoryhttps://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_00
advisory91438
advisory1036198
advisory1036199

FAQ

Common Questions.

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…
Affected: Advanced Threat Protection (Symantec); Csapi (Symantec); Data Center Security Server (Symantec) versions 6.0, 6.0-mp1, 6.5, 6.5-mp1, 6.6, 6.6-mp1, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Advanced Threat Protection 2.0.3, Csapi 10.0.4, Mail Security For Domino 8.0.9.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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