CVE-2017-6327
Symantec Messaging Gateway Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 35.91% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 18 August 2017
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-77
- Affected
- symantec/message gateway
- Source
- secure@symantec.com
EPSS 35.9% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-6327
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://seclists.org/fulldisclosure/2017/Aug/28Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100135Broken Link, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42519/Third Party Advisory, VDB Entry
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00Vendor Advisory
- http://seclists.org/fulldisclosure/2017/Aug/28Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/100135Broken Link, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42519/Third Party Advisory, VDB Entry
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6327US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.