{"id":"CVE-2021-27768","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-27768","generatedAt":"2026-10-28T01:41:06.446Z","title":"Using the ability to perform a Man-in-the-Middle (MITM) attack, which indicates a lack of hostname verification, sensitive account information was able to be intercepted.","description":"Using the ability to perform a Man-in-the-Middle (MITM) attack, which indicates a lack of hostname verification, sensitive account information was able to be intercepted. In this specific scenario, the application's network traffic was intercepted using a proxy server set up in 'transparent' mode while a certificate with an invalid hostname was active. The Android application was found to have hostname verification issues during the server setup and login flows; however, the application did not process requests post-login.","published":"2022-05-12T22:15:12.000Z","lastModified":"2026-06-17T03:45:25.000Z","status":"Modified","sourceIdentifier":"psirt@hcl.com","cvss":{"version":"3.1","score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-300","CWE-295"],"affected":["hcltech/verse"],"epss":{"score":0.00329,"percentile":0.25769,"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 (0.33%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097753","tags":["Vendor Advisory"],"source":"psirt@hcl.com"},{"url":"https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097753","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-27768","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."}