CVE-2020-5637

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Published Dec 14, 2020 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed

Description

Improper validation of integrity check value vulnerability in Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker with an administrative privilege to execute a malicious program.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

NEC Corporation

Aterm SA3500G

affected

Version	Status	Constraints
`firmware versions prior to Ver. 3.5.9`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:necplatforms:aterm_sa3500g_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:necplatforms:aterm_sa3500g:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-26798	Improper validation of integrity check value vulnerability in Aterm SA3500G firmware versions prior to Ver. 3.5.9 allows an attacker with an administrative privilege to execute a malicious program.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.376% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://jvn.jp/en/jp/JVN55917325/index.html
https://jvn.jp/jp/JVN55917325/index.html
https://www.necplatforms.co.jp/product/security_ap/info_20201211.html

History

No history.

Subscriptions

Necplatforms Aterm Sa3500g Aterm Sa3500g Firmware

Weaknesses

CWE-354

Sources

CVE record Updated: Aug 4, 2024, 8:39 AM

Status: PUBLISHED
Assigner: jpcert
Published: Dec 14, 2020, 2:25 AM
Updated: Aug 4, 2024, 8:39 AM
Reserved: Jan 6, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:21 AM

Status: Modified
Published: Dec 14, 2020, 3:15 AM
Modified: Jun 17, 2026, 3:21 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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