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Critical severity9.8NVD Advisory· Published Jul 16, 2021· Updated Jun 17, 2026

CVE-2021-21804

CVE-2021-21804

Description

A local file inclusion (LFI) vulnerability exists in the options.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary PHP code execution. An attacker can send a crafted HTTP request to trigger this vulnerability.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Advantech/R-SeeNet2 versions
    cpe:2.3:a:advantech:r-seenet:2.4.12:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:advantech:r-seenet:2.4.12:*:*:*:*:*:*:*
    • (no CPE)range: 2.4.12 (20.10.2020)
  • Advantech/R-SeeNetdescription

Patches

Vulnerability mechanics

References

1

News mentions

0

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