CVE-2021-21920

4.9 mediumEPSS 1.2%

Medium (4.9) in advantech r-seenet. EPSS 1.2% chance of exploitation in the next 30 days.

A specially-crafted HTTP request can lead to SQL injection. An attacker can make authenticated HTTP requests to trigger this vulnerability at ‘surname_filter’ parameter with the administrative account or through cross-site request forgery.

Severity

CVSS 3.1

4.9 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2021-12-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

advantech:r-seenet

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1365
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1365

Check your stack JSON