ZTE MF971R HTTP Response Header injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in ZTE MF971R. The affected element is an unknown function of the component HTTP Response Header Handler. The manipulation results in injection. This vulnerability is identified as CVE-2021-21743. There is not any exploit available.

Detailsinfo

A vulnerability was found in ZTE MF971R (version unknown). It has been classified as critical. Affected is an unknown function of the component HTTP Response Header Handler. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 10/20/2021. The advisory is shared for download at support.zte.com.cn. This vulnerability is traded as CVE-2021-21743 since 01/04/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1055.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

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

NVD Base Score: 4.3
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: 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
10/20/2021 +288 days 🔍
10/20/2021 +0 days 🔍
10/28/2021 +8 days 🔍

Sourcesinfo

Vendor: zte.com.cn

Advisory: support.zte.com.cn
Status: Confirmed

CVE: CVE-2021-21743 (🔍)
GCVE (CVE): GCVE-0-2021-21743
GCVE (VulDB): GCVE-100-185136

Entryinfo

Created: 10/20/2021 21:02
Updated: 10/28/2021 06:04
Changes: 10/20/2021 21:02 (36), 10/28/2021 05:49 (1), 10/28/2021 06:04 (18)
Complete: 🔍
Cache ID: 216::103

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