CVE-2016-3646: symantec advanced_threat_protection Improper Input Validation
Vulnerability summary
CVE-2016-3646 is a high (CVSS 10.0) Improper Input Validation vulnerability in symantec advanced_threat_protection. EPSS estimates a 17.74% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 30-06-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 access violation) via a crafted ZIP archive that is mishandled during decompression.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
17.74%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 17.74% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundSymantec AntiVirus - Missing Bounds Checks in dec2zip ALPkOldFormatDecompressor::UnShrink
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Symantec14 products
- advanced_threat_protection≤ 2.0.3
- csapi≤ 10.0.4
- data_center_security_server6.0 | 6.0:mp1 | 6.5 | 6.5:mp1 | 6.6 | 6.6:mp1
- endpoint_protection12.1.6 | 12.1.6:mp1 | 12.1.6:mp2 | 12.1.6:mp3 | 12.1.6:mp4
- mail_security_for_domino≥ 8.0, ≤ 8.0.9 | ≥ 8.1, ≤ 8.1.3
1 vendor · 14 products