QNAP QVR prior 5.1.5 Build 20210803 os command injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$0-$5k0.00

Summaryinfo

A vulnerability was found in QNAP QVR. It has been classified as critical. This issue affects some unknown processing. Performing a manipulation results in os command injection. This vulnerability was named CVE-2021-34351. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in QNAP QVR. It has been classified as very critical. This affects an unknown code block. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/27/2021 as qsa-21-35. It is possible to read the advisory at qnap.com. This vulnerability is uniquely identified as CVE-2021-34351 since 06/08/2021. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/27/2021). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 5.1.5 Build 20210803 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (QNAP Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QVR 5.1.5 Build 20210803

Timelineinfo

06/08/2021 🔍
09/27/2021 +111 days 🔍
09/27/2021 +0 days 🔍
10/02/2021 +5 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-21-35
Status: Confirmed

CVE: CVE-2021-34351 (🔍)
GCVE (CVE): GCVE-0-2021-34351
GCVE (VulDB): GCVE-100-183363

Entryinfo

Created: 09/27/2021 07:49
Updated: 10/02/2021 14:00
Changes: 09/27/2021 07:49 (48), 10/02/2021 14:00 (1)
Complete: 🔍
Cache ID: 216::103

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