Vulnerability Details : CVE-2021-26634
SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code execution or privilege escalation. Attackers can use these vulnerabilities to perform attacks such as stealing server management rights using a web shell.
Vulnerability category: Sql InjectionGain privilege
Products affected by CVE-2021-26634
- cpe:2.3:a:maxb:maxboard:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26634
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26634
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
KrCERT/CC |
CWE ids for CVE-2021-26634
-
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)
-
The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.Assigned by: vuln@krcert.or.kr (Secondary)
-
The product requires authentication, but the product has an alternate path or channel that does not require authentication.Assigned by: vuln@krcert.or.kr (Secondary)
-
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.Assigned by:
- nvd@nist.gov (Primary)
- vuln@krcert.or.kr (Secondary)
References for CVE-2021-26634
-
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66746
Security Advisory | KrCERT/CC - KISA 인터넷 보호나라&KrCERTBroken Link;Third Party Advisory
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