{"id":"CVE-2014-8517","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-8517","generatedAt":"2026-11-05T06:44:08.135Z","title":"The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through 5.1.4, 5.2 through 5.2.2, 6.0 through 6.0.6, and 6.1 through 6.1.5 allows remote attackers to execute arbitrary commands via a | (pipe) character at the end of an HTTP…","description":"The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through 5.1.4, 5.2 through 5.2.2, 6.0 through 6.0.6, and 6.1 through 6.1.5 allows remote attackers to execute arbitrary commands via a | (pipe) character at the end of an HTTP redirect.","published":"2014-11-17T16:59:05.000Z","lastModified":"2026-06-17T00:16:52.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-77"],"affected":["apple/mac os x","netbsd/netbsd"],"epss":{"score":0.69115,"percentile":0.99357,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2014-12-02","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43112,"kind":"exploit","title":"tnftp - 'savefile' Arbitrary Command Execution (Metasploit)","url":"https://www.exploit-db.com/exploits/43112","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/unix/remote/43112.rb","file":"exploits/unix/remote/43112.rb","published":"2017-11-03","added":"2017-11-03","updated":"2017-11-03","author":"Metasploit","type":"remote","platform":"unix","port":null,"verified":true,"codes":["CVE-2014-8517"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://raw.githubusercontent.com/rapid7/metasploit-framework/a15b61a21834fb77ed4918ff43bce895409e967b/modules/exploits/unix/http/tnftp_savefile.rb"},{"edbId":35427,"kind":"exploit","title":"tnftp (FreeBSD 8/9/10) - 'tnftp' Client Side","url":"https://www.exploit-db.com/exploits/35427","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/bsd/remote/35427.py","file":"exploits/bsd/remote/35427.py","published":"2014-12-02","added":"2014-12-15","updated":"2014-12-15","author":"dash","type":"remote","platform":"bsd","port":null,"verified":false,"codes":["CVE-2014-8517","OSVDB-114233","OSVDB-113913"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.freebsd.org/security/advisories/FreeBSD-SA-14:26.ftp.asc"}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 69.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-013.txt.asc","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-11/msg00029.html","source":"cve@mitre.org"},{"url":"http://seclists.org/oss-sec/2014/q4/459","source":"cve@mitre.org"},{"url":"http://seclists.org/oss-sec/2014/q4/464","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/62028","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/62260","source":"cve@mitre.org"},{"url":"http://support.apple.com/HT204244","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201611-05","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43112/","source":"cve@mitre.org"},{"url":"http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-013.txt.asc","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2014-11/msg00029.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/oss-sec/2014/q4/459","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/oss-sec/2014/q4/464","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/62028","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/62260","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.apple.com/HT204244","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201611-05","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43112/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-8517","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."}