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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-46143 Detail

Description

Affected devices do not check the TFTP blocksize correctly. This could allow an authenticated attacker to read from an uninitialized buffer that potentially contains previously allocated data.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Siemens AG
CVSS-B 5.1 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-180704.html Siemens AG
https://cert-portal.siemens.com/productcert/html/ssa-413565.html Siemens AG
https://cert-portal.siemens.com/productcert/pdf/ssa-180704.pdf CVE, Siemens AG
https://cert-portal.siemens.com/productcert/pdf/ssa-413565.pdf CVE, Siemens AG Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-1284 Improper Validation of Specified Quantity in Input cwe source acceptance level NIST   Siemens AG  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-46143
NVD Published Date:
12/13/2022
NVD Last Modified:
01/14/2025
Source:
Siemens AG