{"cve":"CVE-2017-3840","nvd":{"published":"2017-02-22T02:59:00.543","modified":"2026-06-17T01:19:01.657","status":"Modified","description":"A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to redirect a user to a malicious web page, aka an Open Redirect Vulnerability. More Information: CSCvc04849. Known Affected Releases: 5.8(2.5).","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-601"],"references":["http://www.securityfocus.com/bid/96238","http://www.securitytracker.com/id/1037837","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-acs2","http://www.securityfocus.com/bid/96238","http://www.securitytracker.com/id/1037837"],"products":["cisco:secure_access_control_system"],"source":"nvd","synced_at":"2026-10-19T20:41:54.846948762+00:00"},"epss":{"cve":"CVE-2017-3840","score":0.01508,"percentile":0.74408,"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."]}