NVD

CVE-2021-20716 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

Hidden functionality in multiple Buffalo network devices (BHR-4RV firmware Ver.2.55 and prior, FS-G54 firmware Ver.2.04 and prior, WBR2-B11 firmware Ver.2.32 and prior, WBR2-G54 firmware Ver.2.32 and prior, WBR2-G54-KD firmware Ver.2.32 and prior, WBR-B11 firmware Ver.2.23 and prior, WBR-G54 firmware Ver.2.23 and prior, WBR-G54L firmware Ver.2.20 and prior, WHR2-A54G54 firmware Ver.2.25 and prior, WHR2-G54 firmware Ver.2.23 and prior, WHR2-G54V firmware Ver.2.55 and prior, WHR3-AG54 firmware Ver.2.23 and prior, WHR-G54 firmware Ver.2.16 and prior, WHR-G54-NF firmware Ver.2.10 and prior, WLA2-G54 firmware Ver.2.24 and prior, WLA2-G54C firmware Ver.2.24 and prior, WLA-B11 firmware Ver.2.20 and prior, WLA-G54 firmware Ver.2.20 and prior, WLA-G54C firmware Ver.2.20 and prior, WLAH-A54G54 firmware Ver.2.54 and prior, WLAH-AM54G54 firmware Ver.2.54 and prior, WLAH-G54 firmware Ver.2.54 and prior, WLI2-TX1-AG54 firmware Ver.2.53 and prior, WLI2-TX1-AMG54 firmware Ver.2.53 and prior, WLI2-TX1-G54 firmware Ver.2.20 and prior, WLI3-TX1-AMG54 firmware Ver.2.53 and prior, WLI3-TX1-G54 firmware Ver.2.53 and prior, WLI-T1-B11 firmware Ver.2.20 and prior, WLI-TX1-G54 firmware Ver.2.20 and prior, WVR-G54-NF firmware Ver.2.02 and prior, WZR-G108 firmware Ver.2.41 and prior, WZR-G54 firmware Ver.2.41 and prior, WZR-HP-G54 firmware Ver.2.41 and prior, WZR-RS-G54 firmware Ver.2.55 and prior, and WZR-RS-G54HP firmware Ver.2.55 and prior) allows a remote attacker to enable the debug option and to execute arbitrary code or OS commands, change the configuration, and cause a denial of service (DoS) condition.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 9.8 CRITICAL

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 10.0 HIGH

Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://jvn.jp/en/vu/JVNVU90274525/index.html	Third Party Advisory
https://jvn.jp/en/vu/JVNVU90274525/index.html	Third Party Advisory
https://www.buffalo.jp/news/detail/20210427-02.html	Vendor Advisory
https://www.buffalo.jp/news/detail/20210427-02.html	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Other	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

3 change records found show changes

Initial Analysis by NIST 5/07/2021 1:43:27 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Added	CWE		NIST NVD-CWE-Other
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:bhr-4rv_firmware::::::::* versions up to (including) 2.55 OR cpe:2.3:h:buffalo:bhr-4rv:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:fs-g54_firmware::::::::* versions up to (including) 2.04 OR cpe:2.3:h:buffalo:fs-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wbr-b11_firmware::::::::* versions up to (including) 2.23 OR cpe:2.3:h:buffalo:wbr-b11:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wbr-g54_firmware::::::::* versions up to (including) 2.23 OR cpe:2.3:h:buffalo:wbr-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wbr-g54l_firmware::::::::* versions up to (including) 2.20 OR cpe:2.3:h:buffalo:wbr-g54l:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wbr2-b11_firmware::::::::* versions up to (including) 2.32 OR cpe:2.3:h:buffalo:wbr2-b11:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wbr2-g54-kd_firmware::::::::* versions up to (including) 2.32 OR cpe:2.3:h:buffalo:wbr2-g54-kd:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wbr2-g54_firmware::::::::* versions up to (including) 2.32 OR cpe:2.3:h:buffalo:wbr2-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:whr-g54-nf_firmware::::::::* versions up to (including) 2.10 OR cpe:2.3:h:buffalo:whr-g54-nf:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:whr-g54_firmware::::::::* versions up to (including) 2.16 OR cpe:2.3:h:buffalo:whr-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:whr2-a54g54_firmware::::::::* versions up to (including) 2.25 OR cpe:2.3:h:buffalo:whr2-a54g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:whr2-g54_firmware::::::::* versions up to (including) 2.23 OR cpe:2.3:h:buffalo:whr2-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:whr2-g54v_firmware::::::::* versions up to (including) 2.55 OR cpe:2.3:h:buffalo:whr2-g54v:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:whr3-ag54_firmware::::::::* versions up to (including) 2.23 OR cpe:2.3:h:buffalo:whr3-ag54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wla-b11_firmware::::::::* versions up to (including) 2.20 OR cpe:2.3:h:buffalo:wla-b11:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wla-g54_firmware::::::::* versions up to (including) 2.20 OR cpe:2.3:h:buffalo:wla-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wla-g54c_firmware::::::::* versions up to (including) 2.20 OR cpe:2.3:h:buffalo:wla-g54c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wla2-g54_firmware::::::::* versions up to (including) 2.24 OR cpe:2.3:h:buffalo:wla2-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wla2-g54c_firmware::::::::* versions up to (including) 2.24 OR cpe:2.3:h:buffalo:wla2-g54c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wlah-a54g54_firmware::::::::* versions up to (including) 2.54 OR cpe:2.3:h:buffalo:wlah-a54g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wlah-am54g54_firmware::::::::* versions up to (including) 2.54 OR cpe:2.3:h:buffalo:wlah-am54g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wlah-g54_firmware::::::::* versions up to (including) 2.54 OR cpe:2.3:h:buffalo:wlah-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wli-t1-b11_firmware::::::::* versions up to (including) 2.20 OR cpe:2.3:h:buffalo:wli-t1-b11:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wli-tx1-g54_firmware::::::::* versions up to (including) 2.20 OR cpe:2.3:h:buffalo:wli-tx1-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wli2-tx1-ag54_firmware::::::::* versions up to (including) 2.53 OR cpe:2.3:h:buffalo:wli2-tx1-ag54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wli2-tx1-amg54_firmware::::::::* versions up to (including) 2.53 OR cpe:2.3:h:buffalo:wli2-tx1-amg54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wli2-tx1-g54_firmware::::::::* versions up to (including) 2.20 OR cpe:2.3:h:buffalo:wli2-tx1-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wli3-tx1-amg54_firmware::::::::* versions up to (including) 2.53 OR cpe:2.3:h:buffalo:wli3-tx1-amg54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wli3-tx1-g54_firmware::::::::* versions up to (including) 2.53 OR cpe:2.3:h:buffalo:wli3-tx1-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wvr-g54-nf_firmware::::::::* versions up to (including) 2.02 OR cpe:2.3:h:buffalo:wvr-g54-nf:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-g108_firmware::::::::* versions up to (including) 2.41 OR cpe:2.3:h:buffalo:wzr-g108:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-g54_firmware::::::::* versions up to (including) 2.41 OR cpe:2.3:h:buffalo:wzr-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-hp-g54_firmware::::::::* versions up to (including) 2.41 OR cpe:2.3:h:buffalo:wzr-hp-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-rs-g54_firmware::::::::* versions up to (including) 2.55 OR cpe:2.3:h:buffalo:wzr-rs-g54:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-rs-g54hp_firmware::::::::* versions up to (including) 2.55 OR cpe:2.3:h:buffalo:wzr-rs-g54hp:-:::::::*
Changed	Reference Type	https://jvn.jp/en/vu/JVNVU90274525/index.html No Types Assigned	https://jvn.jp/en/vu/JVNVU90274525/index.html Third Party Advisory
Changed	Reference Type	https://www.buffalo.jp/news/detail/20210427-02.html No Types Assigned	https://www.buffalo.jp/news/detail/20210427-02.html Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-20716
NVD Published Date:
04/27/2021
NVD Last Modified:
11/21/2024
Source:
JPCERT/CC

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-20716 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/21/2024 12:47:03 AM

CVE Modified by JPCERT/CC 5/14/2024 4:06:17 AM

Initial Analysis by NIST 5/07/2021 1:43:27 PM

Quick Info