{"id":"CVE-2021-22523","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22523","generatedAt":"2026-10-27T22:34:01.024Z","title":"XML External Entity vulnerability in Micro Focus Verastream Host Integrator, affecting version 7.8 Update 1 and earlier versions.","description":"XML External Entity vulnerability in Micro Focus Verastream Host Integrator, affecting version 7.8 Update 1 and earlier versions. The vulnerability could allow the control of web browser and hijacking user sessions.","published":"2021-07-22T12:15:08.000Z","lastModified":"2026-06-17T03:37:23.000Z","status":"Modified","sourceIdentifier":"security@opentext.com","cvss":{"version":"3.1","score":7.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L"},"cwe":["CWE-611"],"affected":["microfocus/verastream host integrator"],"epss":{"score":0.00811,"percentile":0.56685,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://support.microfocus.com/kb/doc.php?id=7025169","source":"security@opentext.com"},{"url":"https://support.microfocus.com/kb/doc.php?id=7025169","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22523","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."}