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CVE-2021-20621

Quick assessment

Affected
NEC Corporation Aterm WG2600HP and Aterm WG2600HP2
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.

NEC Aterm WG2600HP等都是日本NEC公司的一款无线路由器。 Aterm 多款产品存在跨站请求伪造漏洞，该漏洞源于WEB应用未充分验证请求是否来自可信用户。攻击者可利用该漏洞通过受影响客户端向服务器发送非预期的请求。以下产品及版本受到影响：Aterm WF800HP firmware Ver1.0.9 and earlier，Aterm WG2600HP firmware Ver1.0.2 and earlier，Aterm WG2600HP2 firmware Ver1.0.2 and e

AI Predicted 5.6 Difficulty: Easy EPSS 0.65% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20621

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site request forgery (CSRF) vulnerability in Aterm WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and earlier allows remote attackers to hijack the authentication of administrators 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
多款NEC Aterm产品跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NEC Aterm WG2600HP等都是日本NEC公司的一款无线路由器。 Aterm 多款产品存在跨站请求伪造漏洞，该漏洞源于WEB应用未充分验证请求是否来自可信用户。攻击者可利用该漏洞通过受影响客户端向服务器发送非预期的请求。以下产品及版本受到影响：Aterm WF800HP firmware Ver1.0.9 and earlier，Aterm WG2600HP firmware Ver1.0.2 and earlier，Aterm WG2600HP2 firmware Ver1.0.2 and e
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
NEC Corporation Aterm WG2600HP and Aterm WG2600HP2 Aterm WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and earlier -

II. Public POCs for CVE-2021-20621

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20621

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Vendor Advisories for CVE-2021-20621 (1)

Other References for CVE-2021-20621 (2)

Same Patch Batch · NEC Corporation · 2021-01-28 · 3 CVEs total

CVE-2021-20620 多款NEC Aterm产品跨站脚本漏洞
CVE-2021-20622 多款 NEC Aterm产品跨站脚本漏洞

IV. Related Vulnerabilities

Same product: Aterm WG2600HP and Aterm WG2600HP2
Same vendor: NEC Corporation

V. Comments for CVE-2021-20621

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