{"id":"CVE-2017-6327","published":"2017-08-11T20:29:00Z","modified":"2026-06-17T01:22:09Z","title":"Symantec Messaging Gateway Remote Code Execution Vulnerability","vendor":"Symantec","product":"Symantec Messaging Gateway","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"Symantec Messaging Gateway, prior to version 10.6.3-267, contains a remote code execution flaw caused by improper input validation and neutralization of special elements used in commands. An attacker who can reach the product over the network with low-privileged credentials, and without any user interaction, can execute commands on the target system and attempt to escalate their privileges afterward.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-31T04:54:20Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.35911,"percentile":0.98466,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2017-6327","provenance":"source"},"vulncheckKev":{"dateAdded":"2020-10-20","exploitedFirstSeen":"2020-10-20","ransomware":false,"evidence":[{"url":"https://cisa.gov/news-events/cybersecurity-advisories/aa20-275a","date":"2020-10-20"},{"url":"https://media.defense.gov/2020/Oct/20/2002519884/-1/-1/0/CSA_CHINESE_EXPLOIT_VULNERABILITIES_UOO179811.PDF","date":"2020-10-20"},{"url":"https://us-cert.cisa.gov/ncas/alerts/aa20-275a","date":"2020-10-20"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2021-11-03"}],"evidenceTotal":4,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 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2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-77","name":"Improper Neutralization of Special Elements used in a Command"},{"id":"CWE-20","name":"Improper Input Validation"}],"references":[{"url":"http://seclists.org/fulldisclosure/2017/Aug/28","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/100135","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/42519/","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00","tags":["Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2017/Aug/28","tags":["Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/100135","tags":["Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/42519/","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20170810_00","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6327","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing Application","tactics":["initial-access"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Remote exploitation of public-facing gateway","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"can encounter an issue of remote code execution","start":49,"end":96}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from 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Execution","type":"webapps","platform":"jsp","date":"2017-08-18","verified":true,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2017-08-18"},"first":{"date":"2017-08-18","source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/42519"},"provenance":"source"},"exploitRefs":["https://www.exploit-db.com/exploits/42519/"],"flow":[{"stage":"exploitation","techniques":["T1190"],"provenance":"ai"},{"stage":"primary","techniques":["T1059"],"provenance":"ai"}],"timeline":[{"date":"2017-08-11","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6327","provenance":"source"},{"date":"2017-08-18","kind":"exploit-public","label":"First public exploit: Exploit-DB (EDB-42519)","url":"https://www.exploit-db.com/exploits/42519","provenance":"source"},{"date":"2020-10-20","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV 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exploit link"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}