Grandstream GWN7000 up to 1.0.9.4 API debug code

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Grandstream GWN7000 up to 1.0.9.4. It has been classified as critical. This affects an unknown function of the component API. Performing a manipulation results in debug code. This vulnerability was named CVE-2020-5756. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Grandstream GWN7000 up to 1.0.9.4. It has been classified as critical. This affects an unknown code block of the component API. The manipulation with an unknown input leads to a debug code vulnerability. CWE is classifying the issue as CWE-489. The product is deployed to unauthorized actors with debugging code still enabled or active, which can create unintended entry points or expose sensitive information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. An attacker can use this functionality to execute arbitrary OS commands on the router.

The weakness was presented 07/17/2020 (Website). The advisory is shared at tenable.com. This vulnerability is uniquely identified as CVE-2020-5756 since 01/06/2020. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available.

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

See VDB-157776 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Debug code
CWE: CWE-489
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

01/06/2020 🔍
07/17/2020 +193 days 🔍
07/19/2020 +2 days 🔍
11/04/2020 +108 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-5756 (🔍)
GCVE (CVE): GCVE-0-2020-5756
GCVE (VulDB): GCVE-100-158793
See also: 🔍

Entryinfo

Created: 07/19/2020 11:54
Updated: 11/04/2020 19:25
Changes: 07/19/2020 11:54 (38), 07/19/2020 11:59 (17), 11/04/2020 19:25 (1)
Complete: 🔍
Cache ID: 216::103

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

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