What’s Vulnerable › Vulnerabilities

CVE-2021-21916

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-22 · updated 2026-06-17
• Weakness: CWE-89

Description

An exploitable SQL injection vulnerability exist in the ‘group_list’ page of the Advantech R-SeeNet 2.4.15 (30.07.2021). A specially-crafted HTTP request at 'description_filter’ parameter. An attacker can make authenticated HTTP requests to trigger this vulnerability. This can be done as any authenticated user or through cross-site request forgery.

Affected products

• Advantech R-SeeNet: 2.4.15

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1363
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1363

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