CVE-2021-27388

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).
Overview
  • CVE ID
  • CVE-2021-27388
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-15T20:15:11
  • Last Modified Date
  • 2021-06-23T20:57:28
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:siemens:sinamics_sl150_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:sinamics_sl150:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:sinamics_sm150_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:sinamics_sm150:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:sinamics_sm150i_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:sinamics_sm150i:-:*:*:*:*:*:*:* 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://us-cert.cisa.gov/ics/advisories/icsa-21-131-04 Not Applicable
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-27388
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27388
History
Created Old Value New Value Data Type Notes
2022-05-10 07:10:07 Added to TrackCVE
2022-12-05 04:27:22 2021-06-15T20:15Z 2021-06-15T20:15:11 CVE Published Date updated
2022-12-05 04:27:22 2021-06-23T20:57:28 CVE Modified Date updated
2022-12-05 04:27:22 Analyzed Vulnerability Status updated