CVE Tools
Sign in

CVE-2022-46143

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.

Published: Dec 13, 2022Updated: Jan 14, 2025 Sources: CVE List NVD csafCWE-1284
NVD MITRE
2.7CVSSLOW
EPSS Score
0.7%
Top 51.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Multiple SCALANCE devices are affected by several vulnerabilities that could allow an attacker to inject code, retrieve data as debug information as well as user CLI passwords or set the CLI to an irresponsive state. Siemens has released updates for the affected products and recommends to update to the latest versions.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-1284

Affected Products

RUGGEDCOM RM1224 LTE(4G) EUSiemensICS / OT / IoT
RUGGEDCOM RM1224 LTE(4G) NAMSiemensICS / OT / IoT
SCALANCE M804PBSiemensICS / OT / IoT
SCALANCE M812-1 ADSL-RouterSiemensICS / OT / IoT
SCALANCE M816-1 ADSL-RouterSiemensICS / OT / IoT
siemenscommercialDEEnterprise Softwareaka siemens ag
and 259 more affected products View all →

Exploitability

Official Patch Available

References

https://cert-portal.siemens.com/productcert/csaf/ssa-413565.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-413565.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-349-04.json
raw.githubusercontent.com
and 10 more references View all →

Timeline

Published
Dec 13, 2022
Last Updated
Jan 14, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2022-46143 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows