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CVE-2016-9100

20
FAUCET Score

CVE-2016-9100 describes an information disclosure vulnerability affecting Symantec Advanced Secure Gateway (ASG) and ProxySG appliances across multiple versions. An attacker with local access to an authenticated administrator's client host could potentially obtain sensitive authentication credentials. This vulnerability is rated as High severity (CVSS 7.8), indicating a low attack complexity and requiring local access, but leading to high impact on confidentiality, integrity, and availability. Despite its severity, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed on the KEV catalog, and it has received no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.6, < 6.6.5.13CPE matchmatch criteria
cpe:2.3:a:broadcom:advanced_secure_gateway:*:*:*:*:*:*:*:*
>= 6.7, < 6.7.3.1CPE 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:*:*:*:*:*:*:*:*
>= 6.6, < 6.6.5.13CPE matchmatch criteria
cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:*
>= 6.7, < 6.7.3.1CPE matchmatch criteria
cpe:2.3:a:broadcom:symantec_proxysg:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 75th percentile among its peer group of 16,994 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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/102454
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040138
Third Party AdvisoryVDB Entry