CVE-2021-20862
Quick assessment
Affected
ELECOM CO.,LTD. ELECOM routers
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Elecom Edwrc是日本Elecom公司的一系列路由器。 Elecom Edwrc 存在访问控制错误漏洞，该漏洞源于ELECOM路由器未正确限制来自未授权角色的资源访问。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1078 · Valid Accounts
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-20862
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Elecom Edwrc 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elecom Edwrc是日本Elecom公司的一系列路由器。 Elecom Edwrc 存在访问控制错误漏洞，该漏洞源于ELECOM路由器未正确限制来自未授权角色的资源访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ELECOM CO.,LTD. | 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 firmwa | - |
|
II. Public POCs for CVE-2021-20862
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-20862
请登录查看更多情报信息。
Vendor Advisories for CVE-2021-20862 (1)
-
https://jvn.jp/en/vu/JVNVU94527926/index.html x_refsource_MISC
Other References for CVE-2021-20862 (1)
-
https://www.elecom.co.jp/news/security/20211130-01/ x_refsource_MISC
Same Patch Batch · ELECOM CO.,LTD. · 2021-12-01 · 13 CVEs total
| CVE-2021-20852 | elecom lan 缓冲区错误漏洞 | |
| CVE-2021-20853 | elecom lan 操作系统命令注入漏洞 | |
| CVE-2021-20854 | elecom lan 操作系统命令注入漏洞 | |
| CVE-2021-20855 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20856 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20857 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20858 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20859 | elecom lan 操作系统命令注入漏洞 | |
| CVE-2021-20860 | elecom lan 跨站请求伪造漏洞 | |
| CVE-2021-20861 | elecom lan 授权问题漏洞 | |
| CVE-2021-20863 | Elecom Edwrc 操作系统操作系统命令注入漏洞 | |
| CVE-2021-20864 | Elecom Edwrc 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-20862
No comments yet