{"id":"CVE-2021-22523","aliases":["EUVD-2021-9665","GHSA-74g4-5hch-j7rm"],"status":"published","title":"XML External Entity vulnerability in Micro Focus Verastream Host Integrator, affecting version 7...","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.","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00811,"percentile":0.57261,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2021-07-22T11:11:26Z","modified":"2026-06-17T03:37:22Z","products":[{"vendor":"microfocus","product":"verastream_host_integrator"}],"references":[{"url":"https://support.microfocus.com/kb/doc.php?id=7025169","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22523"},{"url":"https://github.com/advisories/GHSA-74g4-5hch-j7rm"}],"sources":{"cve":[{"id":"CVE-2021-22523","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.","status":"published","published":"2021-07-22T11:11:26Z","modified":"2024-08-03T18:44:14.036Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-9665","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.","status":"published","published":"2021-07-22T11:11:26Z","modified":"2024-08-03T18:44:14Z","updated_at":"2026-11-03T03:25:02.042856Z"}],"ghsa":[{"id":"GHSA-74g4-5hch-j7rm","title":"XML External Entity vulnerability in Micro Focus Verastream Host Integrator, affecting version 7...","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.","status":"published","published":"2022-05-24T19:09:02Z","modified":"2023-01-30T05:00:58Z","cwes":["CWE-611"],"updated_at":"2026-11-02T14:46:18.635114Z"}],"nvd":[{"id":"CVE-2021-22523","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.","status":"published","published":"2021-07-22T12:15:07.86Z","modified":"2026-06-17T03:37:22.657Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:06:56.185362Z"}]}}
