{"id":"CVE-2017-6327","kind":"vulnerability","aliases":["CVE-2017-6327"],"related":[],"title":"Symantec Symantec Messaging Gateway: Symantec Messaging Gateway Remote Code Execution Vulnerability","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.","summary":"Symantec Messaging Gateway has an unspecified flaw that allows remote code execution. An attacker who exploits it can run commands on the appliance and may then try to escalate privileges.","severity":"critical","cvss":8.8,"epss":0.35911,"exploited":true,"exploited_at":"2021-11-03T00:00:00+00:00","products":[{"name":"Symantec Symantec Messaging Gateway","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","self-hosted","symantec-messaging-gateway","vendor"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the updates per the vendor instructions, as CISA requires; the specific fixed version is unknown from the sources.","status":"open","published_at":"2017-08-11T20:29:00+00:00","first_seen_at":"2026-10-23T19:11:53+00:00","triaged_at":"2026-10-23T21:41:23+00:00","updated_at":"2026-10-23T21:57:34+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-10-23T21:41:23Z","model":"claude-haiku-5-5","output":{"fix":"Apply the updates per the vendor instructions, as CISA requires; the specific fixed version is unknown from the sources.","reach":"internet","impact":"high","summary":"Symantec Messaging Gateway has an unspecified flaw that allows remote code execution. An attacker who exploits it can run commands on the appliance and may then try to escalate privileges.","category":"vendor","who_cares":["symantec-messaging-gateway","self-hosted"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs code remotely on the gateway appliance and may escalate privileges.","analyst_note":"Find the Symantec advisory for CVE-2017-6327 and confirm affected and fixed versions, and whether the flaw is reachable without auth.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000457,"input_tokens":2866,"output_tokens":341,"severity_before":"unknown"},"analyst_status":"queued","analyst_note":"Find the Symantec advisory for CVE-2017-6327 and confirm affected and fixed versions, and whether the flaw is reachable without auth.","search":"'-2017':13A,16A '-267':67C '-6327':14A,17A '10.6.3':66C 'abil':86C 'access':107C 'allow':39B 'applianc':53B 'attack':44B,112C 'attempt':114C 'code':9A,41B,74C 'command':50B,89C 'cve':12A,15A 'describ':77C 'elev':116C 'encount':69C 'escal':59B 'execut':10A,42B,75C,88C 'exploit':22B,46B 'flaw':37B 'gain':106C 'gateway':4A,7A,21A,29B,33B,64C 'host':25B 'individu':82C 'issu':71C 'machin':94C 'may':55B,83C,113C 'messag':3A,6A,28B,32B,63C 'messaging':20A 'obtain':84C 'occurr':104C 'privileg':60B,118C 'process':99C 'remot':8A,40B,73C,90C 'run':49B 'self':24B 'self-host':23B 'situat':79C 'symantec':1A,2A,5A,18A,19A,27B,31B,62C 'symantec-messaging-gateway':26B 'system':110C 'target':93C,98C 'tri':57B 'type':102C 'unspecifi':36B 'vendor':30B 'vulner':11A 'wherebi':80C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2017-08-11T20:29:00+00:00","kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2017-6327","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2017-6327","severity":null,"published_at":"2021-11-03T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:53+00:00","fetched_at":"2026-10-25T16:39:50+00:00","note":null},{"source":"epss","external_id":"CVE-2017-6327","url":"https://api.first.org/data/v1/epss?cve=CVE-2017-6327","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2017-6327","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6327","severity":null,"published_at":"2017-08-11T20:29:00+00:00","modified_at":"2026-06-17T01:22:09+00:00","first_seen_at":"2026-10-23T21:57:34+00:00","fetched_at":"2026-10-23T21:57:34+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}