{"cve":"CVE-2021-32541","nvd":{"published":"2021-05-28T08:15:07.057","modified":"2026-06-17T03:53:08.417","status":"Modified","description":"The CTS Web transaction system related to authentication and session management is implemented incorrectly, which allows remote unauthenticated attackers can send a large number of valid usernames, and force those logged-in account to log out, causing the user to be unable to access the services","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-287"],"references":["https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344","https://www.twcert.org.tw/tw/cp-132-4757-893eb-1.html","https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344","https://www.twcert.org.tw/tw/cp-132-4757-893eb-1.html"],"products":["sysjust:cts_web"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-32541","score":0.01511,"percentile":0.74466,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}