CVE & CISA-KEV Catalog

CVE-2022-46143

LOW
2.7
CVSS v3
NVD

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.

CWE-1284

How to fix

Remediation Available
scalance sc622-2c firmwareNVD
Affected:< 2.3Fixed in:2.3CVE-2022-46143derived from NVD
scalance sc626-2c firmwareNVD
Affected:< 2.3Fixed in:2.3CVE-2022-46143derived from NVD
scalance sc632-2c firmwareNVD
Affected:< 2.3Fixed in:2.3CVE-2022-46143derived from NVD
scalance sc636-2c firmwareNVD
Affected:< 2.3Fixed in:2.3CVE-2022-46143derived from NVD
scalance sc642-2c firmwareNVD
Affected:< 2.3Fixed in:2.3CVE-2022-46143derived from NVD
scalance sc646-2c firmwareNVD
Affected:< 2.3Fixed in:2.3CVE-2022-46143derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

0.70%probability of exploitation in 30 days
48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Vendor Advisory1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-14.