CVE-2021-21800

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

Cross-site scripting vulnerabilities exist in the ssh_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.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
n/aAdvantechAdvantech R-SeeNet 2.4.12 (20.10.2020)

References

Timeline

Published
Jul 16, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-218016.1This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially craftCVE-2021-218026.1This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially craftCVE-2021-218036.1This vulnerability is present in device_graph_page.php script, which is a part of the Advantech R-SeeNet web applications. A specially craftCVE-2021-218049.8A local file inclusion (LFI) vulnerability exists in the options.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A speCVE-2021-218059.8An OS Command Injection vulnerability exists in the ping.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially cCVE-2021-218068.8An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a usCVE-2021-218079.8An integer overflow vulnerability exists in the DICOM parse_dicom_meta_info functionality of Accusoft ImageGear 19.9. A specially crafted maCVE-2021-218088.8A memory corruption vulnerability exists in the PNG png_palette_process functionality of Accusoft ImageGear 19.9. A specially crafted malforCVE-2021-218099.1A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requesCVE-2021-21817.6Vulnerability in the Oracle Document Management and Collaboration product of Oracle E-Business Suite (component: Attachments). Supported verCVE-2021-218109.8A memory corruption vulnerability exists in the XML-parsing ParseAttribs functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML fileCVE-2021-218119.8A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7. A specially crafted X
CVE-2021-21800: Medium severity, CVSS 6.1 | Vulnix