How severe is CVE-2017-6327?

CVE-2017-6327 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 35.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2017-6327: Symantec Messaging Gateway Remote Code Execution

CISA Known Exploited Vulnerabilities

Symantec Messaging Gateway Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2021-11-03

Remediation due

2022-05-03

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2017-6327

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.

Severity

CVSS 3.1 · CISA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Symantec Corporation	Messaging Gateway	All versions prior to version 10.6.3-267

References

4 Links

Exploits & PoCs

42519

Mailing lists

20170817 CVE-2017-6327: Symantec Messaging Gateway <= 10.6.3-2 unauthenticated root RCE

Vulnerability databases

100135

Other references

https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00

Record Details

Published

2017-08-11

Last updated

2025-10-21

Assigner (CNA)

symantec

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.