Vulnerability Details : CVE-2021-21910

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.
Published 2021-12-22 19:15:10
Updated 2022-06-29 20:44:00
Source Talos
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-21910

EPSS FAQ
0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21910

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
 HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
 NIST
8.8
 HIGH CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
2.0
6.0
 Talos
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 NIST

CWE ids for CVE-2021-21910

  • During installation, installed file permissions are set to allow anyone to modify those files.
    Assigned by:
    • nvd@nist.gov (Primary)
    • talos-cna@cisco.com (Secondary)

References for CVE-2021-21910

Products affected by CVE-2021-21910

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