CVE-2021-25676

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. When triggered, the device will reboot automatically.
Overview
  • CVE ID
  • CVE-2021-25676
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-15T17:15:22
  • Last Modified Date
  • 2021-04-20T17:41:15
Weakness Enumerations
CWE URL
CWE-307 http://cwe.mitre.org/data/definitions/307.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:siemens:ruggedcom_rm1224_firmware:6.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:ruggedcom_rm1224:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_m-800_firmware:6.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:scalance_m-800:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_s615_firmware:6.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:scalance_s615:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:scalance_sc-600_firmware:*:*:*:*:*:*:*:* 1 OR 2.1 2.1.3
cpe:2.3:h:siemens:scalance_sc-600:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdf Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02 Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-25676
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25676
History
Created Old Value New Value Data Type Notes
2022-05-10 07:15:11 Added to TrackCVE
2022-12-05 23:45:59 2021-03-15T17:15Z 2021-03-15T17:15:22 CVE Published Date updated
2022-12-05 23:45:59 2021-04-20T17:41:15 CVE Modified Date updated
2022-12-05 23:45:59 Analyzed Vulnerability Status updated