{"id":"CVE-2017-7175","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-7175","generatedAt":"2026-10-28T19:45:54.181Z","title":"NfSen before 1.3.8 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the customfmt parameter (aka the \"Custom output format\" field).","description":"NfSen before 1.3.8 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the customfmt parameter (aka the \"Custom output format\" field).","published":"2017-07-10T19:29:00.000Z","lastModified":"2026-06-17T01:23:49.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.9,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["nfsen/nfsen"],"epss":{"score":0.06549,"percentile":0.93773,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.04889,"percentile":0.91697},{"date":"2026-09-22","score":0.06549,"percentile":0.93501}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-07-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":42314,"kind":"exploit","title":"NfSen < 1.3.7 / AlienVault OSSIM 4.3.1 - 'customfmt' Command Injection","url":"https://www.exploit-db.com/exploits/42314","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/webapps/42314.txt","file":"exploits/linux/webapps/42314.txt","published":"2017-07-11","added":"2017-07-11","updated":"2017-07-11","author":"Paul Taylor","type":"webapps","platform":"linux","port":null,"verified":true,"codes":["CVE-2017-7175","CVE-2017-6972"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comnfsen-1.3.7.tar.gz","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is critical, while EPSS rates exploitation at 6.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"https://sourceforge.net/p/nfsen/news/2017/01/nfsen-138-released---security-fix/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/42314/","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://sourceforge.net/p/nfsen/news/2017/01/nfsen-138-released---security-fix/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/42314/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-7175","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}