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CVE-2016-9099

17
FAUCET Score

CVE-2016-9099 describes an open redirection vulnerability affecting Symantec Advanced Secure Gateway (ASG) and ProxySG devices across several versions. A remote attacker can exploit this by crafting a malicious management console URL, leading to a phishing attack that redirects users to an arbitrary malicious website. Rated 6.1 MEDIUM on CVSSv3, this vulnerability requires user interaction (UI:R) and could result in limited confidentiality and integrity impacts (C:L/I:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.7, < 6.7.2.1CPE matchmatch criteria
cpe:2.3:a:broadcom:advanced_secure_gateway:*:*:*:*:*:*:*:*
>= 6.5, < 6.5.10.6CPE matchmatch criteria
cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:*
6.6CPE matchmatch criteria
cpe:2.3:a:broadcom:advanced_secure_gateway:6.6:*:*:*:*:*:*:*
6.6CPE matchmatch criteria
cpe:2.3:a:broadcom:symantec_proxysg:6.6:*:*:*:*:*:*:*
>= 6.7, < 6.7.2.1CPE matchmatch criteria
cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.83%
Probability of exploitation in next 30 days
EPSS Percentile
76.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0183 is in the 88th percentile among its peer group of 26,208 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

symantec.com / security-center/network-protection-security-advisories/SA155
Vendor Advisory
securityfocus.com / bid/102455
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040138
Third Party AdvisoryVDB Entry