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CVE-2016-3651

22
FAUCET Score

CVE-2016-3651 describes a high-severity vulnerability in Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5, allowing remote authenticated users to discover the PHP JSESSIONID. With a CVSS score of 8.0, this flaw could lead to high confidentiality, integrity, and availability impacts if exploited. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the vulnerability's potential for significant impact warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 12.1.6CPE matchmatch criteria
cpe:2.3:a:symantec:endpoint_protection_manager:*:mp4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.0HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.85%
Probability of exploitation in next 30 days
EPSS Percentile
76.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0185 is in the 92nd percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 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_response/securityupdates/detail.jsp
Vendor Advisory
securityfocus.com / bid/91445
securitytracker.com / id/1036196