Paper/Archive/CVE-2021-21799

CVE-2021-21799

talos — Cross-site scripting vulnerabilities exist in the telnet_form.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020).

EPSS 12%CVSS 9.6

critical.is priorityof 100

CVSS 9.6 (CNA)9.6 / 10 × 3028.8 Not in CISA KEV+300.0 EPSS percentile 96.2.962 × 2019.2 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

Cross-site scripting vulnerabilities exist in the telnet_form.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). If a user visits a specially crafted URL, it can lead to arbitrary JavaScript code execution in the context of the targeted user’s browser. An attacker can provide a crafted URL to trigger this vulnerability.

Affected

ProductAffectedFixed inSource

AdvantechAdvantech R-SeeNet 2.4.12 (20.10.2020)–CNA

Scores by source

talos (CNA)9.6CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

reftalosintelligence.com/vulnerability_reports/TALOS-2021-1270