Detections
Analytics
Siemens (CVE-2021-25669)
critical Tenable OT Security Plugin ID 500772
Synopsis
The remote OT asset is affected by a vulnerability.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.This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
Solution
Refer to the vendor advisory.See Also
https://cert-portal.siemens.com/productcert/pdf/ssa-187092.pdf
Plugin Details
Severity: Critical
ID: 500772
Version: 1.7
Type: remote
Family: Tenable.ot
Published: 1/25/2023
Updated: 11/24/2024
Supported Sensors: Tenable OT Security
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-25669
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Information
CPE: cpe:/o:siemens:scalance_x202-2_irt_firmware, cpe:/o:siemens:scalance_xf202-2p_irt_firmware, cpe:/o:siemens:scalance_x204-2ld_ts_firmware, cpe:/o:siemens:scalance_x224_firmware, cpe:/o:siemens:scalance_xf204-2ba_irt_firmware, cpe:/o:siemens:scalance_x206-1_firmware, cpe:/o:siemens:scalance_xf206-1_firmware, cpe:/o:siemens:scalance_x204-2ts_firmware, cpe:/o:siemens:scalance_x206-1ld_firmware, cpe:/o:siemens:scalance_x204-2_firmware, cpe:/o:siemens:scalance_x204-2ld_firmware, cpe:/o:siemens:scalance_x204-2fm_firmware, cpe:/o:siemens:scalance_x201-3p_irt_pro_firmware, cpe:/o:siemens:scalance_xf201-3p_irt_firmware, cpe:/o:siemens:scalance_x208_firmware, cpe:/o:siemens:scalance_x201-3p_irt_firmware, cpe:/o:siemens:scalance_xf204-2_firmware, cpe:/o:siemens:scalance_x202-2p_irt_pro_firmware, cpe:/o:siemens:scalance_x204_irt_firmware, cpe:/o:siemens:scalance_xf204_irt_firmware, cpe:/o:siemens:scalance_x212-2ld_firmware, cpe:/o:siemens:scalance_x204_irt_pro_firmware, cpe:/o:siemens:scalance_x212-2_firmware, cpe:/o:siemens:scalance_x202-2p_irt_firmware, cpe:/o:siemens:scalance_x208pro_firmware, cpe:/o:siemens:scalance_xf208_firmware, cpe:/o:siemens:scalance_x200-4p_irt_firmware, cpe:/o:siemens:scalance_xf204_firmware, cpe:/o:siemens:scalance_x216_firmware
Required KB Items: Tenable.ot/Siemens
Exploit Ease: No known exploits are available
Patch Publication Date: 4/22/2021
Vulnerability Publication Date: 4/22/2021
Reference Information
CVE: CVE-2021-25669