CVE-2021-21805

CVSS 9.8 CRITICALEPSS 69.6%CWE-78

Vexday Risk Score

55Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.8EPSS 69.6%KEV nãoPoC —Nuclei simMetasploit —Patch —

Lifecycle

05 Aug 2021Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

An OS Command Injection vulnerability exists in the ping.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary OS command execution. An attacker can send a crafted HTTP request to trigger this vulnerability.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · Advantech

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References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1274