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CVE-2021-25669

Critical

Description

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT (All versions < 5.5.1), SCALANCE X201-3P IRT PRO (All versions < 5.5.1), SCALANCE X202-2 IRT (All versions < 5.5.1), SCALANCE X202-2P IRT (incl. SIPLUS NET variant) (All versions < 5.5.1), SCALANCE X202-2P IRT PRO (All versions < 5.5.1), SCALANCE X204 IRT (All versions < 5.5.1), SCALANCE X204 IRT PRO (All versions < 5.5.1), SCALANCE X204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2FM (All versions < V5.2.5), SCALANCE X204-2LD (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X204-2LD TS (All versions < V5.2.5), SCALANCE X204-2TS (All versions < V5.2.5), SCALANCE X206-1 (All versions < V5.2.5), SCALANCE X206-1LD (All versions < V5.2.5), SCALANCE X208 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X208PRO (All versions < V5.2.5), SCALANCE X212-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE X212-2LD (All versions < V5.2.5), SCALANCE X216 (All versions < V5.2.5), SCALANCE X224 (All versions < V5.2.5), SCALANCE XF201-3P IRT (All versions < 5.5.1), SCALANCE XF202-2P IRT (All versions < 5.5.1), SCALANCE XF204 (All versions < V5.2.5), SCALANCE XF204 IRT (All versions < 5.5.1), SCALANCE XF204-2 (incl. SIPLUS NET variant) (All versions < V5.2.5), SCALANCE XF204-2BA IRT (All versions < 5.5.1), SCALANCE XF206-1 (All versions < V5.2.5), SCALANCE XF208 (All versions < V5.2.5). Incorrect processing of POST requests in the web server may write out of bounds in stack. An attacker might leverage this to denial-of-service of the device or remote code execution.

SeverityCritical
CVSS9.8
Exploit probability—
ProductSiemens Scalance X200-4p Irt Firmware
PublishedApr 22, 2021
First seenApr 22, 2021
Weakness typeCWE-121CWE-121

How to fix

Update
  • siemens scalance_x200-4p_irt_firmware5.5.1 or later
  • siemens scalance_x201-3p_irt_firmware5.5.1 or later
  • siemens scalance_x201-3p_irt_pro_firmware5.5.1 or later
  • siemens scalance_x202-2_irt_firmware5.5.1 or later
  • siemens scalance_x202-2p_irt_pro_firmware5.5.1 or later
  • siemens scalance_x204_irt_firmware5.5.1 or later
  • siemens scalance_x204_irt_pro_firmware5.5.1 or later
  • siemens scalance_x204-2_firmware5.2.5 or later
  • siemens scalance_x204-2fm_firmware5.2.5 or later
  • siemens scalance_x204-2ld_firmware5.2.5 or later
  • siemens scalance_x204-2ld_ts_firmware5.2.5 or later
  • siemens scalance_x204-2ts_firmware5.2.5 or later

Affected products

ProductAffected versionsFixed in
siemens scalance_x200-4p_irt_firmwarev < 5.5.15.5.1
siemens scalance_x201-3p_irt_firmwarev < 5.5.15.5.1
siemens scalance_x201-3p_irt_pro_firmwarev < 5.5.15.5.1
siemens scalance_x202-2_irt_firmwarev < 5.5.15.5.1
siemens scalance_x202-2p_irt_pro_firmwarev < 5.5.15.5.1
siemens scalance_x204_irt_firmwarev < 5.5.15.5.1
siemens scalance_x204_irt_pro_firmwarev < 5.5.15.5.1
siemens scalance_x204-2_firmwarev < 5.2.55.2.5
siemens scalance_x204-2fm_firmwarev < 5.2.55.2.5
siemens scalance_x204-2ld_firmwarev < 5.2.55.2.5
siemens scalance_x204-2ld_ts_firmwarev < 5.2.55.2.5
siemens scalance_x204-2ts_firmwarev < 5.2.55.2.5
siemens scalance_x206-1_firmwarev < 5.2.55.2.5
siemens scalance_x206-1ld_firmwarev < 5.2.55.2.5
siemens scalance_x208_firmwarev < 5.2.55.2.5
siemens scalance_x208pro_firmwarev < 5.2.55.2.5
siemens scalance_x212-2_firmwarev < 5.2.55.2.5
siemens scalance_x212-2ld_firmwarev < 5.2.55.2.5
siemens scalance_x216_firmwarev < 5.2.55.2.5
siemens scalance_x224_firmwarev < 5.2.55.2.5
siemens scalance_xf201-3p_irt_firmwarev < 5.5.15.5.1
siemens scalance_xf202-2p_irt_firmwarev < 5.5.15.5.1
siemens scalance_xf204_firmwarev < 5.2.55.2.5
siemens scalance_xf204_irt_firmwarev < 5.5.15.5.1
siemens scalance_xf204-2_firmwarev < 5.2.55.2.5
siemens scalance_xf204-2ba_irt_firmwarev < 5.5.15.5.1
siemens scalance_xf206-1_firmwarev < 5.2.55.2.5
siemens scalance_xf208_firmwarev < 5.2.55.2.5
siemens scalance_x202-2p_irt_firmwarev < 5.5.15.5.1

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