CVE-2021-34362: qnap systems inc. media streaming add-on OS Command Injection
Vulnerability summary
CVE-2021-34362 is a high (CVSS 8.7) OS Command Injection vulnerability in qnap systems inc. media streaming add-on. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.3% of scored vulnerabilities.
Timeline
- 22-10-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
A command injection vulnerability has been reported to affect QNAP device running Media Streaming add-on. If exploited, this vulnerability allow remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of Media Streaming add-on: QTS 5.0.0: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later QTS 4.5.4: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later QTS 4.3.6: Media Streaming add-on 430.1.8.12 ( 2021/08/20 ) and later QTS 4.3.3: Media Streaming add-on 430.1.8.12 ( 2021/09/29 ) and later QuTS-Hero 5.0.0: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
1.27%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.27% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')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.
- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')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.
Affected systems
Qnap1 product
- media_streaming_add-on< 500.0.0.3 | < 430.1.8.12
Qnap systems inc.1 product
- media streaming add-on≥ unspecified, < 500.0.0.3 ( 2021/08/20 ) | ≥ unspecified, < 430.1.8.12 ( 2021/08/20 ) | ≥ unspecified, < 430.1.8.12 ( 2021/09/29 )
2 vendors · 2 products