CVE-2021-20852 - OpenCVE

Buffer overflow vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute an arbitrary OS command via unspecified vectors.

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

AV:A/AC:L/Au:S/C:P/I:P/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Elecom	Wrh-733gbk Wrh-733gbk Firmware Wrh-733gwh Wrh-733gwh Firmware

Configuration 1 [-]

AND

cpe:2.3:h:elecom:wrh-733gbk:-:*:*:*:*:*:*:*

cpe:2.3:o:elecom:wrh-733gbk_firmware:*:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:h:elecom:wrh-733gwh:-:*:*:*:*:*:*:*

cpe:2.3:o:elecom:wrh-733gwh_firmware:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://jvn.jp/en/jp/JVN88993473/index.html
https://www.elecom.co.jp/news/security/20211130-01/

History

No history.

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2021-12-01T02:15:40

Updated: 2024-08-03T17:53:22.655Z

Reserved: 2020-12-17T00:00:00

Link: CVE-2021-20852

Vulnrichment

No data.

NVD

Status : Analyzed

Published: 2021-12-01T03:15:06.713

Modified: 2021-12-02T19:45:57.987

Link: CVE-2021-20852

Redhat

No data.

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