Vulnerability Details : CVE-2021-34809
Improper neutralization of special elements used in a command ('Command Injection') vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to execute arbitrary code via unspecified vectors.
Vulnerability category: Execute code
Products affected by CVE-2021-34809
- cpe:2.3:a:synology:download_station:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-34809
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-34809
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
9.9
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
3.1
|
6.0
|
Synology Inc. |
CWE ids for CVE-2021-34809
-
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.Assigned by: security@synology.com (Primary)
References for CVE-2021-34809
-
https://www.synology.com/security/advisory/Synology_SA_21_11
Synology Product Security Advisory | Synology IncorporatedVendor Advisory
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