ZTE ZX297520V3 7520V3V1.0.0B09P27 Terminal System injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in ZTE ZX297520V3 7520V3V1.0.0B09P27 and classified as critical. Impacted is an unknown function of the component Terminal System. This manipulation causes injection. This vulnerability is handled as CVE-2019-3421. The attack can only be done within the local network. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in ZTE ZX297520V3 7520V3V1.0.0B09P27. Affected by this vulnerability is an unknown part of the component Terminal System. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The 7520V3V1.0.0B09P27 version, and all earlier versions of ZTE product ZX297520V3 are impacted by a Command Injection vulnerability. Unauthorized users can exploit this vulnerability to control the user terminal system.

The weakness was released 10/31/2019 (Website). The advisory is shared at support.zte.com.cn. This vulnerability is known as CVE-2019-3421 since 12/31/2018. The exploitation appears to be easy. The attack needs to be done within the local network. A single authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/31/2018 🔍
10/31/2019 +304 days 🔍
11/01/2019 +1 days 🔍
11/01/2019 +0 days 🔍

Sourcesinfo

Vendor: zte.com.cn

Advisory: support.zte.com.cn
Status: Not defined

CVE: CVE-2019-3421 (🔍)
GCVE (CVE): GCVE-0-2019-3421
GCVE (VulDB): GCVE-100-144721

Entryinfo

Created: 11/01/2019 07:25
Updated: 11/01/2019 07:30
Changes: 11/01/2019 07:25 (37), 11/01/2019 07:30 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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