Vulnerability Details : CVE-2021-29083
Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.
Vulnerability category: Execute code
Exploit prediction scoring system (EPSS) score for CVE-2021-29083
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 30 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-29083
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
[email protected] |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
[email protected] |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
[email protected] |
CWE ids for CVE-2021-29083
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by:
- [email protected] (Primary)
- [email protected] (Secondary)
References for CVE-2021-29083
-
https://www.synology.com/security/advisory/Synology_SA_20_26
Vendor Advisory
Products affected by CVE-2021-29083
- cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:*