Vulnerability · Published Jun 18, 2021 · Assigned by synology
CVE-2021-34809
Critical 9.9
In plain English
A critical-severity command injection in Download Station from Synology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)1.9%top 19.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Synology | Download Station | unspecified – before 3.8.16-3566 |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- https://www.synology.com/security/advisory/Synology_SA_21_11 x_refsource_CONFIRM