Read the docs
TI-2016-08332 Aliases CVE-2016-10258GHSA-8586-qhh3-x99v

Unrestricted file upload in Symantec Advanced Secure Gateway

Priority LOW 38CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

Unrestricted file upload vulnerability in the Symantec Advanced Secure Gateway (ASG) and ProxySG management consoles. A malicious appliance administrator can upload arbitrary malicious files to the management console and trick another administrator user into downloading and executing malicious code.

Why it matters now

EPSS 0.04844 92nd percentileScored 2026-11-07
Fix Fixed Advanced Secure Gateway (ASG) (Symantec Corporation): 6.6.5.14, 6.7.3.1ProxySG (Symantec Corporation): 6.5.10.8, 6.6.5.14, 6.7.3.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SymantecAdvanced Secure Gateway (ASG)6.6 to before 6.6.5.14; 6.7 to before 6.7.3.16.6.5.14, 6.7.3.1Patch availableCNA
SymantecProxySG6.5 to before 6.5.10.8; 6.6 to before 6.6.5.14; 6.7 to before 6.7.3.16.5.10.8, 6.6.5.14, 6.7.3.1Patch availableCNA
  • Advanced Secure Gateway (ASG) VendorSymantec Affected 6.6 to before 6.6.5.14; 6.7 to before 6.7.3.1 Fixed in 6.6.5.14, 6.7.3.1 Patch available CNA
  • ProxySG VendorSymantec Affected 6.5 to before 6.5.10.8; 6.6 to before 6.6.5.14; 6.7 to before 6.7.3.1 Fixed in 6.5.10.8, 6.6.5.14, 6.7.3.1 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:broadcom:advanced_secure_gateway:*:*:*:*:*:*:*:*6.6 to before 6.6.5.14; 6.7 to before 6.7.3.1VulnerableBroadcom
cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:*6.5 to before 6.5.10.8; 6.6 to before 6.6.5.14; 6.7 to before 6.7.3.1VulnerableBroadcom
  • cpe:2.3:a:broadcom:advanced_secure_gateway:*:*:*:*:*:*:*:* Versions 6.6 to before 6.6.5.14; 6.7 to before 6.7.3.1 Vulnerable ·Broadcom
  • cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:* Versions 6.5 to before 6.5.10.8; 6.6 to before 6.6.5.14; 6.7 to before 6.7.3.1 Vulnerable ·Broadcom

Remediation

  • Fix · CNA Advanced Secure Gateway (ASG) (Symantec Corporation) Fixed in 6.6.5.14, 6.7.3.1
  • Fix · CNA ProxySG (Symantec Corporation) Fixed in 6.5.10.8, 6.6.5.14, 6.7.3.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-10258
  2. 2026-10-03 Alias added: GHSA-8586-qhh3-x99v

References

  • TI-2017-04157 Command injection in Symantec Messaging Gateway KEVCVSS 3.1HIGH 8.8
  • TI-2009-01353 The Intel LANDesk Common Base Agent (CBA) in Symantec Alert Management System 2 (AMS2)… CVSS 2.0HIGH 10.0
  • TI-2017-04156 The Symantec Messaging Gateway can encounter an issue of remote code execution, which… CVSS 3.0CRITICAL 10.0
  • TI-2012-00284 The management GUI in Symantec Web Gateway 5.0.x before 5.0.3 does not properly restrict… CVSS 2.0HIGH 10.0
  • TI-2006-02539 Stack-based buffer overflow in Symantec Antivirus 10.1 and Client Security 3.1 allows… CVSS 2.0HIGH 10.0
  • TI-2012-02563 The management console in Symantec Web Gateway 5.0.x before 5.0.3.18 allows remote… CVSS 2.0HIGH 10.0
See all 597 →

Sources