{"cve":"CVE-2021-28490","nvd":{"published":"2021-08-19T19:15:07.317","modified":"2026-06-17T03:46:27.317","status":"Modified","description":"In OWASP CSRFGuard through 3.1.0, CSRF can occur because the CSRF cookie may be retrieved by using only a session token.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-352"],"references":["https://github.com/reidmefirst/vuln-disclosure/blob/main/2021-01.txt","https://owasp.org/www-project-csrfguard/","https://github.com/reidmefirst/vuln-disclosure/blob/main/2021-01.txt","https://owasp.org/www-project-csrfguard/"],"products":["owasp:csrfguard"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-28490","score":0.00501,"percentile":0.42915,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jx66-5ww9-m6q4","url":"https://osv.dev/vulnerability/GHSA-jx66-5ww9-m6q4","summary":"Cross-Site Request Forgery in OWASP CSRFGuard","modified":"2024-02-21T05:33:02.323242Z","packages":[{"ecosystem":"Maven","name":"org.owasp:csrfguard","purl":"pkg:maven/org.owasp/csrfguard","ranges":["<4.0.0"],"fixed":["4.0.0"]}]}],"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."]}