Vulnerability Details : CVE-2021-26622
An remote code execution vulnerability due to SSTI vulnerability and insufficient file name parameter validation was discovered in Genian NAC. Remote attackers are able to execute arbitrary malicious code with SYSTEM privileges on all connected nodes in NAC through this vulnerability.
Vulnerability category: Input validationExecute code
Products affected by CVE-2021-26622
- cpe:2.3:a:genians:genian_nac:*:*:*:*:*:*:*:*
- cpe:2.3:a:genians:genian_nac:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26622
0.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26622
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
10.0
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
3.9
|
6.0
|
NIST | |
|
9.6
|
CRITICAL | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
2.8
|
6.0
|
KrCERT/CC |
CWE ids for CVE-2021-26622
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- vuln@krcert.or.kr (Secondary)
-
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26622
-
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66580
Security Advisory | KrCERT/CC - KISA 인터넷 보호나라&KrCERTBroken Link;Third Party Advisory
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