CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2022-26647
High (8.8) in siemens. EPSS 1.2% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
- CWE
- CWE-330
- Published
- Modified
- Record from
- the NVD, synced
Affected
- 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