{"cve":"CVE-2023-28809","nvd":{"published":"2023-06-15T19:15:10.537","modified":"2026-06-17T05:48:49.157","status":"Modified","description":"Some access control products are vulnerable to a session hijacking attack because the product does not update the session ID after a user successfully logs in. To exploit the vulnerability, attackers have to request the session ID at the same time as a valid user logs in, and gain device operation permissions by forging the IP and session ID of an authenticated user.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.5},"cwes":["CWE-384","CWE-284"],"references":["http://packetstormsecurity.com/files/174506/Hikvision-Access-Control-Session-Hijacking.html","https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-vulnerability-in-some-hikvision-access-control-intercom/","http://packetstormsecurity.com/files/174506/Hikvision-Access-Control-Session-Hijacking.html","https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-vulnerability-in-some-hikvision-access-control-intercom/"],"products":["hikvision:ds-k1t320efwx_firmware","hikvision:ds-k1t320efx_firmware","hikvision:ds-k1t320ewx_firmware","hikvision:ds-k1t320ex_firmware","hikvision:ds-k1t320mfwx_firmware","hikvision:ds-k1t320mfx_firmware","hikvision:ds-k1t320mwx_firmware","hikvision:ds-k1t320mx_firmware","hikvision:ds-k1t341am_firmware","hikvision:ds-k1t341amf_firmware","hikvision:ds-k1t341cm_firmware","hikvision:ds-k1t343ewx_firmware","hikvision:ds-k1t343ex_firmware","hikvision:ds-k1t343mwx_firmware","hikvision:ds-k1t343mx_firmware","hikvision:ds-k1t671_firmware","hikvision:ds-k1t671m_firmware","hikvision:ds-k1t671mf_firmware","hikvision:ds-k1t671t_firmware","hikvision:ds-k1t671tm-3xf_firmware","hikvision:ds-k1t671tm_firmware","hikvision:ds-k1t671tmf_firmware","hikvision:ds-k1t671tmfw_firmware","hikvision:ds-k1t671tmw_firmware","hikvision:ds-k1t804af_firmware","hikvision:ds-k1t804amf_firmware"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-28809","score":0.00636,"percentile":0.50474,"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."]}