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CVE-2021-20641

Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers...

6.5 Medium

Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

0.52%Down 0.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.

Record
CVE-2021-20641
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-352
Updated
2026-11-02
CVE List No score

Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.

Record
CVE-2021-20641
Updated
2026-11-02
EUVDEUVD-2021-8059 No score

Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.

Record
EUVD-2021-8059
Updated
2026-11-03
GitHub AdvisoriesGHSA-whw9-r5mw-357f No score

Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers...

Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers to hijack the authentication of administrators via a specially crafted URL. As a result, unintended operations to the device such as changes of the device settings may be conducted.

Record
GHSA-whw9-r5mw-357f
Weakness
CWE-352
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-20641 is a medium vulnerability (CVSS 6.5) in Elecom Co.,ltd. Lan-w300n/rs, published February 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.

References

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