NVD

CVE-2021-20860 Detail

Description

Cross-site request forgery (CSRF) vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H firmware v1.25 and prior, WRC-2533GS2-B firmware v1.52 and prior, WRC-2533GS2-W firmware v1.52 and prior, WRC-1750GS firmware v1.03 and prior, WRC-1750GSV firmware v2.11 and prior, WRC-1900GST firmware v1.03 and prior, WRC-2533GST firmware v1.03 and prior, WRC-2533GSTA firmware v1.03 and prior, WRC-2533GST2 firmware v1.25 and prior, WRC-2533GST2SP firmware v1.25 and prior, WRC-2533GST2-G firmware v1.25 and prior, and EDWRC-2533GST2 firmware v1.25 and prior) allows a remote authenticated attacker to hijack the authentication of an administrator via a specially crafted page.

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: 8.8 HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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: 6.8 MEDIUM

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://jvn.jp/en/jp/JVN88993473/index.html	Third Party Advisory
https://www.elecom.co.jp/news/security/20211130-01/	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-352	Cross-Site Request Forgery (CSRF)	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Initial Analysis by NIST 12/02/2021 9:01:12 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:edwrc-2533gst2_firmware::::::::* versions up to (including) 1.25 OR cpe:2.3:h:elecom:edwrc-2533gst2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-1167gst2_firmware::::::::* versions up to (including) 1.25 OR cpe:2.3:h:elecom:wrc-1167gst2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-1167gst2a_firmware::::::::* versions up to (including) 1.25 OR cpe:2.3:h:elecom:wrc-1167gst2a:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-1167gst2h_firmware::::::::* versions up to (including) 1.25 OR cpe:2.3:h:elecom:wrc-1167gst2h:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-1750gs_firmware::::::::* versions up to (including) 1.03 OR cpe:2.3:h:elecom:wrc-1750gs:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-1750gsv_firmware::::::::* versions up to (including) 2.11 OR cpe:2.3:h:elecom:wrc-1750gsv:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-1900gst_firmware::::::::* versions up to (including) 1.03 OR cpe:2.3:h:elecom:wrc-1900gst:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-2533gs2-b_firmware::::::::* versions up to (including) 1.52 OR cpe:2.3:h:elecom:wrc-2533gs2-b:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-2533gs2-w_firmware::::::::* versions up to (including) 1.52 OR cpe:2.3:h:elecom:wrc-2533gs2-w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-2533gst2-g_firmware::::::::* versions up to (including) 1.25 OR cpe:2.3:h:elecom:wrc-2533gst2-g:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-2533gst2_firmware::::::::* versions up to (including) 1.25 OR cpe:2.3:h:elecom:wrc-2533gst2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-2533gst2sp_firmware::::::::* versions up to (including) 1.25 OR cpe:2.3:h:elecom:wrc-2533gst2sp:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-2533gst_firmware::::::::* versions up to (including) 1.03 OR cpe:2.3:h:elecom:wrc-2533gst:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:elecom:wrc-2533gsta_firmware::::::::* versions up to (including) 1.03 OR cpe:2.3:h:elecom:wrc-2533gsta:-:::::::*
Added	CVSS V2		NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added	CVSS V2 Metadata		Victim must voluntarily interact with attack mechanism
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-352
Changed	Reference Type	https://jvn.jp/en/jp/JVN88993473/index.html No Types Assigned	https://jvn.jp/en/jp/JVN88993473/index.html Third Party Advisory
Changed	Reference Type	https://www.elecom.co.jp/news/security/20211130-01/ No Types Assigned	https://www.elecom.co.jp/news/security/20211130-01/ Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-20860
NVD Published Date:
11/30/2021
NVD Last Modified:
12/02/2021
Source:
JPCERT/CC

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-20860 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 JPCERT/CC 5/14/2024 4:07:04 AM

Initial Analysis by NIST 12/02/2021 9:01:12 AM

Quick Info