{"id":"CVE-2018-1160","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-1160","generatedAt":"2026-10-28T19:05:30.407Z","title":"Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c.","description":"Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c. This is due to lack of bounds checking on attacker controlled data. A remote unauthenticated attacker can leverage this vulnerability to achieve arbitrary code execution.","published":"2018-12-20T21:29:00.000Z","lastModified":"2026-06-17T01:50:37.000Z","status":"Modified","sourceIdentifier":"vulnreport@tenable.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["netatalk/netatalk","synology/router manager","synology/skynas","synology/diskstation manager","synology/vs960hd firmware","debian/debian linux"],"epss":{"score":0.86539,"percentile":0.99736,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.83395,"percentile":0.99674},{"date":"2026-09-22","score":0.86539,"percentile":0.99729}]},"kev":{"listed":false},"exploits":{"count":3,"verified":true,"firstPublished":"2018-12-21","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":46675,"kind":"exploit","title":"QNAP Netatalk < 3.1.12 - Authentication Bypass","url":"https://www.exploit-db.com/exploits/46675","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/46675.py","file":"exploits/multiple/remote/46675.py","published":"2019-04-08","added":"2019-04-08","updated":"2019-04-08","author":"muts","type":"remote","platform":"multiple","port":null,"verified":true,"codes":["CVE-2018-1160"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":46048,"kind":"exploit","title":"Netatalk 3.1.12 - Authentication Bypass (PoC)","url":"https://www.exploit-db.com/exploits/46048","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/46048.py","file":"exploits/multiple/dos/46048.py","published":"2018-12-21","added":"2018-12-24","updated":"2019-02-11","author":"Tenable NS","type":"dos","platform":"multiple","port":null,"verified":true,"codes":["CVE-2018-1160"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comnetatalk-3.1.11.tar.bz2","screenshotUrl":null,"referenceUrl":"https://medium.com/tenable-techblog/exploiting-an-18-year-old-bug-b47afe54172"},{"edbId":46034,"kind":"exploit","title":"Netatalk 3.1.12 - Authentication Bypass","url":"https://www.exploit-db.com/exploits/46034","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/remote/46034.py","file":"exploits/multiple/remote/46034.py","published":"2018-12-21","added":"2018-12-21","updated":"2019-02-13","author":"Jacob Baines","type":"remote","platform":"multiple","port":null,"verified":true,"codes":["CVE-2018-1160"],"tags":"Authentication Bypass / Credentials Bypass (AB/CB)","aliases":null,"applicationUrl":"http://www.exploit-db.comnetatalk-3.1.11.tar.bz2","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 86.5%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://netatalk.sourceforge.net/3.1/ReleaseNotes3.1.12.html","tags":["Release Notes"],"source":"vulnreport@tenable.com"},{"url":"http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"http://www.securityfocus.com/bid/106301","tags":["Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://attachments.samba.org/attachment.cgi?id=14735","tags":["Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/","tags":["Release Notes","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://www.debian.org/security/2018/dsa-4356","tags":["Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://www.exploit-db.com/exploits/46034/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://www.exploit-db.com/exploits/46048/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://www.exploit-db.com/exploits/46675/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"vulnreport@tenable.com"},{"url":"https://www.synology.com/security/advisory/Synology_SA_18_62","tags":["Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"https://www.tenable.com/security/research/tra-2018-48","tags":["Exploit","Release Notes","Third Party Advisory"],"source":"vulnreport@tenable.com"},{"url":"http://netatalk.sourceforge.net/3.1/ReleaseNotes3.1.12.html","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/152440/QNAP-Netatalk-Authentication-Bypass.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/106301","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://attachments.samba.org/attachment.cgi?id=14735","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/tenable/poc/tree/master/netatalk/cve_2018_1160/","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4356","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46034/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46048/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/46675/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.synology.com/security/advisory/Synology_SA_18_62","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/research/tra-2018-48","tags":["Exploit","Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-1160","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."}