CVE-2021-25666

Published on: 02/09/2021 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:28:50 PM UTC

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Certain versions of Scalance W740 from Siemens contain the following vulnerability:

A vulnerability has been identified in SCALANCE W780 and W740 (IEEE 802.11n) family (All versions < V6.3). Sending specially crafted packets through the ARP protocol to an affected device could cause a partial denial-of-service, preventing the device to operate normally for a short period of time.

  • CVE-2021-25666 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Siemens - SCALANCE W780 and W740 (IEEE 802.11n) family version All versions < V6.3

CVSS3 Score: 4.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
ADJACENT_NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE LOW

CVSS2 Score: 3.3 - LOW

Access
Vector
Access
Complexity
Authentication
ADJACENT_NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
Siemens SCALANCE W780 and W740 | CISA Third Party Advisory
VDB Entry
us-cert.cisa.gov
text/html
URL Logo MISC us-cert.cisa.gov/ics/advisories/icsa-21-040-07
Vendor Advisory
cert-portal.siemens.com
application/pdf
URL Logo MISC cert-portal.siemens.com/productcert/pdf/ssa-686152.pdf

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareSiemensScalance W740-AllAllAll
HardwareSiemensScalance W740-AllAllAll
HardwareSiemensScalance W740-AllAllAll
Operating
System
SiemensScalance W740 FirmwareAllAllAllAll
Operating
System
SiemensScalance W740 FirmwareAllAllAllAll
HardwareSiemensScalance W780-AllAllAll
HardwareSiemensScalance W780-AllAllAll
HardwareSiemensScalance W780-AllAllAll
Operating
System
SiemensScalance W780 FirmwareAllAllAllAll
Operating
System
SiemensScalance W780 FirmwareAllAllAllAll
  • cpe:2.3:h:siemens:scalance_w740:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:scalance_w740:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:scalance_w740:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:scalance_w740_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:scalance_w740_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:scalance_w780:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:scalance_w780:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:siemens:scalance_w780:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:scalance_w780_firmware:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:siemens:scalance_w780_firmware:*:*:*:*:*:*:*:*:
© CVE.report 2021 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report