CVE-2021-20861

published 2021-12-01

CVE-2021-20861: Improper access control vulnerability in ELECOM LAN routers (WRC-1167GST2 firmware v1.25 and prior, WRC-1167GST2A firmware v1.25 and prior, WRC-1167GST2H…

Priority P3 46 high 8.8 CVSS 3.1

AV A AC L PR N UI N S U C H I H A H

Improper access control 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 network-adjacent authenticated attacker to bypass access restriction and to access the management screen of the product via unspecified vectors.

Affected

15 ranges

Vendor	Product	Version range	Fixed in
elecom	edwrc-2533gst2_firmware	<= 1.25	—
elecom	wrc-1167gst2_firmware	<= 1.25	—
elecom	wrc-1167gst2a_firmware	<= 1.25	—
elecom	wrc-1167gst2h_firmware	<= 1.25	—
elecom	wrc-1750gs_firmware	<= 1.03	—
elecom	wrc-1750gsv_firmware	<= 2.11	—
elecom	wrc-1900gst_firmware	<= 1.03	—
elecom	wrc-2533gs2-b_firmware	<= 1.52	—
elecom	wrc-2533gs2-w_firmware	<= 1.52	—
elecom	wrc-2533gst2-g_firmware	<= 1.25	—
elecom	wrc-2533gst2_firmware	<= 1.25	—
elecom	wrc-2533gst2sp_firmware	<= 1.25	—
elecom	wrc-2533gst_firmware	<= 1.03	—
elecom	wrc-2533gsta_firmware	<= 1.03	—
elecom_co_ltd	elecom_lan_routers	—	—

CVSS provenance

nvd v3.1 8.8 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 5.8 MEDIUM AV:A/AC:L/Au:N/C:P/I:P/A:P

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