CVE-2021-20641Network attack vector

Administrator session hijacking via crafted URL

Published Feb 12, 2021 · Updated Aug 3, 2024

Cross-site request forgery in Logitec Corporation LAN-W300N/RS allows remote attackers to alter settings via a crafted URL. The vendor identifies the administrative web interface as the locus but has not disclosed the affected endpoint or missing request-validation operation. Exploitation requires an administrator with an active management session to open the attacker-supplied URL, enabling unintended configuration changes.

CVSS severity6.5
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Logitec Corporation LAN-W300N/RS allows remote attackers to alter settings via a crafted URL. The vendor identifies the administrative web interface as the locus but has not disclosed the affected endpoint or missing request-validation operation. Exploitation requires an administrator with an active management session to open the attacker-supplied URL, enabling unintended configuration changes.

The record

CVE
CVE-2021-20641
Published
Feb 12, 2021
Updated
Aug 3, 2024
Vendor
Logitec Corporation
Product
LAN-W300N/RS
Classifications
CWE-352, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 12, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=LAN-W300N/RS

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Logitec Corporation · LAN-W300N/RSversion=LAN-W300N/RS

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
4.3JVNCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
6.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-site request forgery
T1204.001Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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