{"id":"CVE-2017-15921","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-15921","generatedAt":"2026-10-28T21:29:45.562Z","title":"In Watchdog Anti-Malware 2.74.186.150 and Online Security Pro 2.74.186.150, the zam32.sys driver contains a NULL pointer dereference vulnerability that gets triggered when sending an operation to ioctl 0x80002010.","description":"In Watchdog Anti-Malware 2.74.186.150 and Online Security Pro 2.74.186.150, the zam32.sys driver contains a NULL pointer dereference vulnerability that gets triggered when sending an operation to ioctl 0x80002010. This is due to the input buffer being NULL or the input buffer size being 0 as they are not validated.","published":"2017-10-30T15:29:00.000Z","lastModified":"2026-06-17T01:08:29.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["watchdogdevelopment/anti-malware","watchdogdevelopment/online security pro"],"epss":{"score":0.07575,"percentile":0.94501,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.06033,"percentile":0.93097},{"date":"2026-09-22","score":0.07575,"percentile":0.94256}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-10-26","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43058,"kind":"exploit","title":"Watchdog Development Anti-Malware / Online Security Pro - NULL Pointer Dereference","url":"https://www.exploit-db.com/exploits/43058","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/43058.c","file":"exploits/windows/dos/43058.c","published":"2017-10-26","added":"2017-10-27","updated":"2017-10-27","author":"Parvez Anwar","type":"dos","platform":"windows","port":null,"verified":false,"codes":["CVE-2017-15921","CVE-2017-15920"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 7.6%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/144786/Watchdog-Development-Anti-Malware-Online-Security-Pro-NULL-Pointer-Dereference.html","tags":["Exploit","Issue Tracking","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43058/","tags":["Exploit","Issue Tracking","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/144786/Watchdog-Development-Anti-Malware-Online-Security-Pro-NULL-Pointer-Dereference.html","tags":["Exploit","Issue Tracking","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43058/","tags":["Exploit","Issue Tracking","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-15921","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."}