Reference page — cumulative record through Monday, October 5, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2017-6327
Symantec Symantec Messaging Gateway
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U H H H 8.8 .3591 98.4 YES
AFFECTED
Product Versions Fixed
Messaging Gateway All versions prior to version 10.6.3-267 – —
TIMELINE
Feb 26 Reserved by symantec
Aug 11 Published (CNA: symantec)
Nov 3 Added to CISA KEV, remediation due 2022-05-03
Description
The Symantec Messaging Gateway before 10.6.3-267 can encounter an issue of remote code execution, which describes a situation whereby an individual may obtain the ability to execute commands remotely on a target machine or in a target process. In this type of occurrence, after gaining access to the system, the attacker may attempt to elevate their privileges.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| February 26, 2017 | Reserved | Reserved by symantec |
| August 11, 2017 | Published | Published (CNA: symantec) |
| November 3, 2021 | KEV ADDED | Added to CISA KEV, remediation due 2022-05-03 |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Symantec Corporation | Messaging Gateway | — | All versions prior to version 10.6.3-267 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2017-6327 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 5, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.