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CVE-2021-21912

HIGH

7.8

CVSS Score

Published: December 22, 2021 at 06:06 PM UTC

Updated: June 17, 2026 at 03:36 AM UTC

1 product affected across 1 vendorR-SeeNet· also runs on 1 platform

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Severity

HIGH7.8

Exploit prediction

EPSS 0.4%

Description

A privilege escalation vulnerability exists in the Windows version of installation for Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021). A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

R-SeeNet · Advantech

95%

2.4.15 Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021)

microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Windows · Microsoft

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1360

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-276

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