{"id":"CVE-2017-5928","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-5928","generatedAt":"2026-10-28T22:19:28.877Z","title":"The W3C High Resolution Time API, as implemented in various web browsers, does not consider that memory-reference times can be measured by a performance.now \"Time to Tick\" approach even with the https://bugzilla.mozilla.org/show_bug.cgi?id=1167489#c9…","description":"The W3C High Resolution Time API, as implemented in various web browsers, does not consider that memory-reference times can be measured by a performance.now \"Time to Tick\" approach even with the https://bugzilla.mozilla.org/show_bug.cgi?id=1167489#c9 protection mechanism in place, which makes it easier for remote attackers to conduct AnC attacks via crafted JavaScript code.","published":"2017-02-27T07:59:00.000Z","lastModified":"2026-06-17T01:21:27.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":3.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":[],"affected":["w3/high resolution time api"],"epss":{"score":0.01746,"percentile":0.77689,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.75%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.cs.vu.nl/~herbertb/download/papers/anc_ndss17.pdf","tags":["Technical Description"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/97036","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.vusec.net/projects/anc","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.cs.vu.nl/~herbertb/download/papers/anc_ndss17.pdf","tags":["Technical Description"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/97036","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vusec.net/projects/anc","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-5928","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."}