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.
Published 2021-02-09 18:15:52
Updated 2021-02-12 21:24:15
Source Siemens AG
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2021-25666

Exploit prediction scoring system (EPSS) score for CVE-2021-25666

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-25666

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.3
LOW AV:A/AC:L/Au:N/C:N/I:N/A:P
6.5
2.9
NIST
4.3
MEDIUM CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
2.8
1.4
NIST

CWE ids for CVE-2021-25666

  • The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
    Assigned by: productcert@siemens.com (Primary)

References for CVE-2021-25666

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