CVE-2017-6327KEV · OVERDUE

Symantec Messaging Gateway Remote Code Execution Vulnerability

High · published August 11, 2017

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 98.5th percentile for exploit probability.

1633
days past CISA
deadline
CVSS v3.1
8.8
EPSS
36%
Percentile
98.5
In the wild
Confirmed
What it is

🚨 A remote code execution vulnerability in Symantec Messaging Gateway could let attackers take control of your system like a thief unlocking a back door! 🔥 Imagine if a delivery person could just walk through the back entrance of a restaurant without any checks — that’s what this vulnerability allows, letting an attacker execute commands as if they belonged there. An attacker exploiting this flaw could gain remote access to your system, executing commands that could lead to data breaches, privilege escalation, and complete control over your environment. The fallout could be absolutely devastating, affecting sensitive information and trust in your systems.

Put simply

Imagine if a delivery person could just walk through the back entrance of a restaurant without any checks — that’s what this vulnerability allows, letting an attacker execute commands as if they belonged there. CVE-2017-6327 is a remote code execution vulnerability in Symantec Messaging Gateway versions before 10.6.3-267, allowing an attacker to execute arbitrary commands on the target system without proper authentication.

What to do

An attacker exploiting this flaw could gain remote access to your system, executing commands that could lead to data breaches, privilege escalation, and complete control over your environment. The fallout could be absolutely devastating, affecting sensitive information and trust in your systems. Immediately upgrade your Symantec Messaging Gateway to version 10.6.3-267 or later to patch this vulnerability. Conduct a security audit to ensure that no unauthorized access has occurred and review your access control policies to bolster your defenses. You've got this! With prompt action, you can lock down your system and maintain your security hero status! 🛡️

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.35911 · 98.5th percentile
Published
2017-08-11T20:00Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 11 AUG 20:00Z
    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…
    cvelistv5