CVE-2021-21911

2021-12-2218:06:55

CWE-276

talos

www.cve.org

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0005 Low

EPSS

Percentile

17.9%

JSON

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.

CNA Affected

[
  {
    "product": "Advantech",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021)"
      }
    ]
  }
]