What is CVE-2021-21937?

CVE-2021-21937 is a medium-severity vulnerability in Advantech R-Seenet, classified under SQL Injection. CVSS score: 6.5/10. Published 2021-12-22.

How severe is CVE-2021-21937?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SQL Injection in Advantech R-Seenet

CVE-2021-21937

A specially-crafted HTTP request can lead to SQL injection. An attacker can make authenticated HTTP requests to trigger this vulnerability at ‘host_alt_filter’ parameter. This can be done as any authenticated user or through cross-site request forgery.

Vulnerability class: SQL Injection

EPSS: 0.012 (63.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Advantech R-seenet — versions 2.4.15
N/a Advantech — versions Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021)

Weakness classification (CWE)

CWE-89 — SQL Injection

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21937?: CVE-2021-21937 is a medium-severity vulnerability in Advantech R-Seenet, classified under SQL Injection. CVSS score: 6.5/10. Published 2021-12-22.
How severe is CVE-2021-21937?: Medium severity. CVSS v3 base score is 6.5 out of 10.