CVE-2021-25668

CVSS V2 High 7.5 CVSS V3 Critical 9.8
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 webserver may result in write out of bounds in heap. An attacker might leverage this to cause denial-of-service on the device and potentially remotely execute code.
Overview
  • CVE ID
  • CVE-2021-25668
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-22T21:15:10
  • Last Modified Date
  • 2022-05-01T01:10:56
Weakness Enumerations
CWE URL
CWE-122 http://cwe.mitre.org/data/definitions/122.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:siemens:scalance_x200-4p_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x200-4p_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x201-3p_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x201-3p_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x201-3p_irt_pro_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x201-3p_irt_pro:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x202-2_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x202-2_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x202-2p_irt_pro_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x202-2p_irt_pro:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x204_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x204_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x204_irt_pro_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x204_irt_pro:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x204-2_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x204-2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x204-2fm_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x204-2fm:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x204-2ld_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x204-2ld:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x204-2ld_ts_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x204-2ld_ts:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x204-2ts_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x204-2ts:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x206-1_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x206-1:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x206-1ld_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x206-1ld:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x208_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x208:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x208pro_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x208pro:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x212-2_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x212-2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x212-2ld_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x212-2ld:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x216_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x216:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x224_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_x224:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf201-3p_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_xf201-3p_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf202-2p_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_xf202-2p_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf204_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_xf204:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf204_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_xf204_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf204-2_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_xf204-2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf204-2ba_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_xf204-2ba_irt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf206-1_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_xf206-1:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_xf208_firmware:*:*:*:*:*:*:*:* 1 OR 5.2.5
cpe:2.3:h:siemens:scalance_xf208:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_x202-2p_irt_firmware:*:*:*:*:*:*:*:* 1 OR 5.5.1
cpe:2.3:h:siemens:scalance_x202-2p_irt:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-187092.pdf Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-25668
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25668
History
Created Old Value New Value Data Type Notes
2022-05-08 06:20:16 Added to TrackCVE
2022-12-06 02:24:53 2021-04-22T21:15Z 2021-04-22T21:15:10 CVE Published Date updated
2022-12-06 02:24:53 2022-05-01T01:10:56 CVE Modified Date updated
2022-12-06 02:24:53 Analyzed Vulnerability Status updated