Flask-CORS up to 3.0.8 insecure default initialization of resource

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Flask-CORS up to 3.0.8. This affects an unknown part. Such manipulation with the input ../ leads to insecure default initialization of resource. This vulnerability is listed as CVE-2020-25032. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Flask-CORS up to 3.0.8 and classified as problematic. Affected by this issue is an unknown functionality. The manipulation with the input value ../ leads to a insecure default initialization of resource vulnerability. Using CWE to declare the problem leads to CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. Impacted is confidentiality. CVE summarizes:

An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.

The weakness was presented 08/31/2020. This vulnerability is handled as CVE-2020-25032 since 08/31/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 3.0.9 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Insecure default initialization of resource
CWE: CWE-1188
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: Flask-CORS 3.0.9

Timelineinfo

08/31/2020 🔍
08/31/2020 +0 days 🔍
08/31/2020 +0 days 🔍
08/31/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-25032 (🔍)
GCVE (CVE): GCVE-0-2020-25032
GCVE (VulDB): GCVE-100-160448

Entryinfo

Created: 08/31/2020 08:29
Updated: 08/31/2020 08:34
Changes: 08/31/2020 08:29 (37), 08/31/2020 08:34 (17)
Complete: 🔍
Cache ID: 216::103

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