CVE-2021-21928 | BDVDB-2026-166360 Detail

Advantech

Description#

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

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References#

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1366

Exploit#

No public exploit known

History#

Version 12021-12-22Record published in the CVE List.
Version 22024-08-03Most recent update recorded in the CVE List.

Published

Published: 2021-12-22
Last modified: 2024-08-03

Vendor information

Vendor: Not stated
Product: Advantech

Score

7.7 High

EPSS

1.1%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 67.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

SQL Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021)
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

7.7 High

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	None
Availability	None

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).