Open redirect in Symantec ASG
Priority LOW 31CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
Symantec Advanced Secure Gateway (ASG) 6.6, ASG 6.7 prior to 6.7.2.1, ProxySG 6.5 prior to 6.5.10.6, ProxySG 6.6, and ProxySG 6.7 prior to 6.7.2.1 are susceptible to an open redirection vulnerability. A remote attacker can use a crafted management console URL in a phishing attack to redirect the target user to a malicious web site.
Why it matters now
EPSS 0.01826 78th percentileScored 2026-11-07
Fix Fixed ASG (Symantec Corporation): 6.7.2.1ProxySG (Symantec Corporation): 6.5.10.6, 6.7.2.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Symantec | ASG | 6.6; 6.7 to before 6.7.2.1 | 6.7.2.1 | Patch available | CNA |
| Symantec | ProxySG | 6.5 to before 6.5.10.6; 6.6; 6.7 to before 6.7.2.1 | 6.5.10.6, 6.7.2.1 | Patch available | CNA |
- ASG VendorSymantec Affected 6.6; 6.7 to before 6.7.2.1 Fixed in 6.7.2.1 Patch available CNA
- ProxySG VendorSymantec Affected 6.5 to before 6.5.10.6; 6.6; 6.7 to before 6.7.2.1 Fixed in 6.5.10.6, 6.7.2.1 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:broadcom:advanced_secure_gateway:*:*:*:*:*:*:*:* | 6.7 to before 6.7.2.1 | Vulnerable | Broadcom |
| cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:* | 6.5 to before 6.5.10.6 | Vulnerable | Broadcom |
| cpe:2.3:a:broadcom:advanced_secure_gateway:6.6:*:*:*:*:*:*:* | 6.6 | Vulnerable | Broadcom |
| cpe:2.3:a:broadcom:symantec_proxysg:6.6:*:*:*:*:*:*:* | 6.6 | Vulnerable | Broadcom |
| cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:* | 6.7 to before 6.7.2.1 | Vulnerable | Broadcom |
- cpe:2.3:a:broadcom:advanced_secure_gateway:*:*:*:*:*:*:*:* Versions 6.7 to before 6.7.2.1 Vulnerable ·Broadcom
- cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:* Versions 6.5 to before 6.5.10.6 Vulnerable ·Broadcom
- cpe:2.3:a:broadcom:advanced_secure_gateway:6.6:*:*:*:*:*:*:* Versions 6.6 Vulnerable ·Broadcom
- cpe:2.3:a:broadcom:symantec_proxysg:6.6:*:*:*:*:*:*:* Versions 6.6 Vulnerable ·Broadcom
- cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:* Versions 6.7 to before 6.7.2.1 Vulnerable ·Broadcom
Remediation
- Fix · CNA ASG (Symantec Corporation) Fixed in 6.7.2.1
- Fix · CNA ProxySG (Symantec Corporation) Fixed in 6.5.10.6, 6.7.2.1
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9099
- 2026-10-03 Alias added: GHSA-r27c-c98m-6x4q
References
More Symantec vulnerabilities
- 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
Sources
- CVE-2016-9099 · CVE Program
- CVE-2016-9099 · NVD
- FIRST EPSS
- GHSA-r27c-c98m-6x4q · GitHub Advisory Database · CC BY 4.0
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