{"cve":"CVE-2022-26647","nvd":{"published":"2022-07-12T10:15:10.257","modified":"2026-06-17T04:35:34.777","status":"Modified","description":"A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204-2 (All versions < V5.2.6), SCALANCE X204-2FM (All versions < V5.2.6), SCALANCE X204-2LD (All versions < V5.2.6), SCALANCE X204-2LD TS (All versions < V5.2.6), SCALANCE X204-2TS (All versions < V5.2.6), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE X206-1 (All versions < V5.2.6), SCALANCE X206-1LD (All versions < V5.2.6), SCALANCE X208 (All versions < V5.2.6), SCALANCE X208PRO (All versions < V5.2.6), SCALANCE X212-2 (All versions < V5.2.6), SCALANCE X212-2LD (All versions < V5.2.6), SCALANCE X216 (All versions < V5.2.6), SCALANCE X224 (All versions < V5.2.6), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204 (All versions < V5.2.6), SCALANCE XF204-2 (All versions < V5.2.6), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SCALANCE XF206-1 (All versions < V5.2.6), SCALANCE XF208 (All versions < V5.2.6). The webserver of affected devices calculates session ids and nonces in an insecure manner. This could allow an unauthenticated remote attacker to brute-force session ids and hijack existing sessions.","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-330"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-310038.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-310038.pdf"],"products":["siemens:scalance_x200-4p_irt_firmware","siemens:scalance_x201-3p_irt_firmware","siemens:scalance_x201-3p_irt_pro_firmware","siemens:scalance_x202-2irt_firmware","siemens:scalance_x202-2p_irt_firmware","siemens:scalance_x202-2p_irt_pro_firmware","siemens:scalance_x204-2_firmware","siemens:scalance_x204-2fm_firmware","siemens:scalance_x204-2ld_firmware","siemens:scalance_x204-2ld_ts_firmware","siemens:scalance_x204-2ts_firmware","siemens:scalance_x204irt_firmware","siemens:scalance_x204irt_pro_firmware","siemens:scalance_x206-1_firmware","siemens:scalance_x206-1ld_firmware","siemens:scalance_x208_firmware","siemens:scalance_x208_pro_firmware","siemens:scalance_x212-2_firmware","siemens:scalance_x212-2ld_firmware","siemens:scalance_x216_firmware","siemens:scalance_x224_firmware","siemens:scalance_xf201-3p_irt_firmware","siemens:scalance_xf202-2p_irt_firmware","siemens:scalance_xf204-2_firmware","siemens:scalance_xf204-2ba_irt_firmware","siemens:scalance_xf204_firmware","siemens:scalance_xf204irt_firmware","siemens:scalance_xf206-1_firmware","siemens:scalance_xf208_firmware"],"source":"nvd","synced_at":"2026-10-19T21:33:44.859608815+00:00"},"epss":{"cve":"CVE-2022-26647","score":0.01172,"percentile":0.67457,"date":"2026-11-01"},"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."]}