{"id":"CVE-2021-32543","aliases":["EUVD-2021-19389","GHSA-jpr6-p297-4w5g"],"status":"published","title":"SysJust CTS Web - Broken Authentication","description":"The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00761,"percentile":0.55647,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-05-28T08:10:28Z","modified":"2026-06-17T03:53:08Z","products":[{"vendor":"sysjust","product":"cts web"},{"vendor":"sysjust","product":"cts_web"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-4759-92eab-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32543"},{"url":"https://github.com/advisories/GHSA-jpr6-p297-4w5g"}],"sources":{"cve":[{"id":"CVE-2021-32543","title":"SysJust CTS Web - Broken Authentication","description":"The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity.","status":"published","published":"2021-05-28T08:10:28.395Z","modified":"2024-09-16T22:24:59.184Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-19389","description":"The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity.","status":"published","published":"2021-05-28T08:10:28Z","modified":"2024-09-16T22:24:59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:03.452021Z"}],"ghsa":[{"id":"GHSA-jpr6-p297-4w5g","title":"The CTS Web transaction system related to authentication management is implemented incorrectly....","description":"The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity.","status":"published","published":"2022-05-24T19:03:39Z","modified":"2023-01-29T05:06:22Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:00.528527Z"}],"nvd":[{"id":"CVE-2021-32543","description":"The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote attackers can manipulate cookies to access other accounts and trade in the stock market with spoofed identity.","status":"published","published":"2021-05-28T08:15:07.137Z","modified":"2026-06-17T03:53:08.633Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:53.987491Z"}]}}