CVE-2021-20862 Details
Description
Improper access control vulnerability in ELECOM 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 unauthenticated attacker to bypass access restriction, and to obtain anti-CSRF tokens and change the product's settings via unspecified vectors.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://jvn.jp/en/vu/JVNVU94527926/index.html | CVE | Third Party Advisory |
| https://www.elecom.co.jp/news/security/20211130-01/ | CVE | Vendor Advisory |
| https://jvn.jp/en/vu/JVNVU94527926/index.html | [email protected] | Third Party Advisory |
| https://www.elecom.co.jp/news/security/20211130-01/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-Other | Weakness Not in a Standard CWE Category | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| elecom wrc-1167gst2 firmware | <= 1.25 |
CPE
Remediation
| |
| elecom wrc-1167gst2 | All versions |
CPE
Remediation
| |
| elecom wrc-1167gst2a firmware | <= 1.25 |
CPE
Remediation
| |
| elecom wrc-1167gst2a | All versions |
CPE
Remediation
| |
| elecom wrc-1167gst2h firmware | <= 1.25 |
CPE
Remediation
| |
| elecom wrc-1167gst2h | All versions |
CPE
Remediation
| |
| elecom wrc-2533gs2-b firmware | <= 1.52 |
CPE
Remediation
| |
| elecom wrc-2533gs2-b | All versions |
CPE
Remediation
| |
| elecom wrc-2533gs2-w firmware | <= 1.52 |
CPE
Remediation
| |
| elecom wrc-2533gs2-w | All versions |
CPE
Remediation
| |
| elecom wrc-1750gs firmware | <= 1.03 |
CPE
Remediation
| |
| elecom wrc-1750gs | All versions |
CPE
Remediation
| |
| elecom wrc-1750gsv firmware | <= 2.11 |
CPE
Remediation
| |
| elecom wrc-1750gsv | All versions |
CPE
Remediation
| |
| elecom wrc-1900gst firmware | <= 1.03 |
CPE
Remediation
| |
| elecom wrc-1900gst | All versions |
CPE
Remediation
| |
| elecom wrc-2533gst firmware | <= 1.03 |
CPE
Remediation
| |
| elecom wrc-2533gst | All versions |
CPE
Remediation
| |
| elecom wrc-2533gst2 firmware | <= 1.25 |
CPE
Remediation
| |
| elecom wrc-2533gst2 | All versions |
CPE
Remediation
| |
| elecom wrc-2533gsta firmware | <= 1.03 |
CPE
Remediation
| |
| elecom wrc-2533gsta | All versions |
CPE
Remediation
| |
| elecom wrc-2533gst2sp firmware | <= 1.25 |
CPE
Remediation
| |
| elecom wrc-2533gst2sp | All versions |
CPE
Remediation
| |
| elecom wrc-2533gst2-g firmware | <= 1.25 |
CPE
Remediation
| |
| elecom wrc-2533gst2-g | All versions |
CPE
Remediation
| |
| elecom edwrc-2533gst2 firmware | <= 1.25 |
CPE
Remediation
| |
| elecom edwrc-2533gst2 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Jun 28, 2022 | CWE Remap | [email protected] |
| Dec 2, 2021 | Initial Analysis | [email protected] |