{"id":"CVE-2019-6638","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-6638","generatedAt":"2026-10-27T21:18:49.817Z","title":"On BIG-IP 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4, Malformed http requests made to an undisclosed iControl REST endpoint can lead to infinite loop of the restjavad process.","description":"On BIG-IP 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4, Malformed http requests made to an undisclosed iControl REST endpoint can lead to infinite loop of the restjavad process.","published":"2019-07-03T19:15:13.000Z","lastModified":"2026-06-17T02:39:25.000Z","status":"Modified","sourceIdentifier":"f5sirt@f5.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-835"],"affected":["f5/big-ip local traffic manager","f5/big-ip application acceleration manager","f5/big-ip advanced firewall manager","f5/big-ip analytics","f5/big-ip access policy manager","f5/big-ip application security manager","f5/big-ip domain name system","f5/big-ip edge gateway","f5/big-ip global traffic manager","f5/big-ip link controller","f5/big-ip policy enforcement manager","f5/big-ip webaccelerator","f5/big-ip fraud protection service"],"epss":{"score":0.01952,"percentile":0.80103,"date":"2026-10-26","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 (1.95%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/109106","tags":["Third Party Advisory","VDB Entry"],"source":"f5sirt@f5.com"},{"url":"https://support.f5.com/csp/article/K67825238","tags":["Vendor Advisory"],"source":"f5sirt@f5.com"},{"url":"https://support.f5.com/csp/article/K67825238?utm_source=f5support&amp%3Butm_medium=RSS","source":"f5sirt@f5.com"},{"url":"http://www.securityfocus.com/bid/109106","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.f5.com/csp/article/K67825238","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.f5.com/csp/article/K67825238?utm_source=f5support&amp%3Butm_medium=RSS","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-6638","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."}