CVE-2016-3645

highpriority · attend · 58EPSS 0.246 · 98 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

24.6% (98th) EPSS

CVSS 10 · high

Is it mine?

52 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

EPSS · scored 2026-10-28

Integer overflow in the TNEF unpacker 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 have an unspecified impact via crafted TNEF data.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.3–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.09.3criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-189USprimaryCWE-189US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-40035Symantec AntiVirus - TNEF Decoder Integer Overflowfunctional · exploit_db

affected products (52)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Broadcom Inc. Broadcom Data Center Security: Server6.0 → 6.6 MP1fstec_bduRU
Broadcom Inc. Broadcom End-User Security: Advanced Threat Protection≤ 2.0.3fstec_bduRU
Broadcom Inc. Broadcom Message Gateway for Service Providers10.5 → 10.5 patch 254fstec_bduRU
Broadcom Inc. Broadcom Message Gateway for Service Providers10.6 → 10.6 patch 253fstec_bduRU
Broadcom Inc. Broadcom Symantec Mail Security for Domino≤ 8.0.9 HF1.1fstec_bduRU
Broadcom Inc. Broadcom Symantec Mail Security for Domino8.1.0 → 8.1.3 HF1.2fstec_bduRU
Broadcom Inc. Broadcom Symantec Mail Security for Microsoft Exchange≤ 7.0_3966002 HF1.1fstec_bduRU
Broadcom Inc. Broadcom Symantec Mail Security for Microsoft Exchange7.5.0 → 7.5_3966008 VHF1.2fstec_bduRU
Broadcom Inc. Broadcom Symantec Protection for SharePoint Servers6.0.3 → 6.0.5 HF 1.5fstec_bduRU
Broadcom Inc. Broadcom Symantec Protection for SharePoint Servers6.0.6 → 6.0.6 HF 1.6fstec_bduRU
Broadcom Inc. Symantec Content Security API (CSAPI)≤ 10.0.4fstec_bduRU
Broadcom Inc. Symantec Endpoint Protection≤ 12.1 RU6 MP5fstec_bduRU
Broadcom Inc. Symantec Endpoint Protectionall versionsfstec_bduRU
Broadcom Inc. Symantec Protection Engine (SPE)≤ 7.0.5 HF01fstec_bduRU
Broadcom Inc. Symantec Protection Engine (SPE)7.5.0 → 7.5.3 HF03fstec_bduRU
Broadcom Inc. Symantec Protection Engine (SPE)7.5.4 → 7.5.4 HF01fstec_bduRU
Broadcom Inc. Symantec Protection Engine (SPE)7.8.0 → 7.8.0 HF01fstec_bduRU
Gen Digital Norton 360≤ 13.0.2fstec_bduRU
Gen Digital Norton 360all versionsfstec_bduRU

showing 20 of 52

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2016-06-30modified 2026-06-17

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+1337 more

references (15)

External citations — patches, advisories, analysis.

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