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CVE-2017-6326

86
FAUCET Score

CVE-2017-6326 describes a critical remote code execution vulnerability affecting Symantec Messaging Gateway products. With a CVSS score of 10.0, this flaw allows unauthenticated attackers to execute arbitrary commands remotely over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV, exploit code, including a Metasploit module, is publicly available, indicating a high potential for exploitation. Despite its severity and exploit availability, there is no recorded community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.6.3CPE matchmatch criteria
cpe:2.3:a:symantec:messaging_gateway:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
72.76%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Symantec Messaging Gateway Remote Code Execution · Apr 26, 2017
ExploitDB: EDB-42251 · Jun 26, 2017
This CVE's current EPSS score of 0.7276 is in the 98th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

exploit-db.com / exploits/42251
symantec.com / security_response/securityupdates/detail.jsp
MitigationVendor Advisory
securityfocus.com / bid/98893
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038785