CVE-2022-46143

lowpriority · track · 0EPSS 0.007 · 55 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.75% (55th) EPSS
CVSS 2.7 · low
Is it mine?
891 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · siemens_psirt

EPSS · scored 2026-10-27

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.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

5.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.2–5.1

v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:Nsecondary · productcert@siemens.com DEexploitability 1.2 · impact 1.4
v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:Nsecondary · Siemens ProductCERT DE
v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:Nsecondary · CISA US
v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:Nsecondary · NVD / NIST USexploitability 1.2 · impact 1.4
v4.05.1mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · productcert@siemens.com DE
v4.05.1mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.01.2lowCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1284USCWE-1284USCWE-1284US
04

affected products (891)

Products and version ranges known to be affected.

showing 20 of 891
05

advisories (4)

Vendor and ecosystem advisories describing this.

  • SSA-180704SSA-180704: Multiple Vulnerabilities in SCALANCE M-800 Family Before V8.02023-12-12csaf · siemens_psirtDE

    SCALANCE M-800 family before V8.0 is affected by multiple vulnerabilities. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.

  • SSA-413565SSA-413565: Multiple Vulnerabilities in SCALANCE Products2022-12-13csaf · siemens_psirtDE

    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.

  • ICSA-22-349-04Siemens SCALANCE Products2022-12-13icsa · cisa_csaf_otUS

    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.

  • ICSA-23-348-14Siemens RUGGEDCOM and SCALANCE M-800/S615 Family2023-12-12icsa · cisa_csaf_otUS

    SCALANCE M-800 family before V8.0 is affected by multiple vulnerabilities. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otsiemens_psirtNVDCVE.orgMITRE
published 2022-12-13modified 2026-06-17
08

references (11)

External citations — patches, advisories, analysis.

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