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GitHub_MCVE-2021-32838

HistorySep 20, 2021 - 6:15 p.m.

CVE-2021-32838

2021-09-2018:15:11

CWE-400

GitHub_M

web.nvd.nist.gov

cve-2021-32838

flask-restx

pypi package

redos

regular expression denial of service

email_regex

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.006

Percentile

78.8%

JSON

Flask-RESTX (pypi package flask-restx) is a community driven fork of Flask-RESTPlus. Flask-RESTX before version 0.5.1 is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex. This is fixed in version 0.5.1.

Affected configurations

Nvd

Vulners

Node

flask-restx_projectflask-restxRange<0.5.1python

Node

fedoraprojectfedoraMatch33

fedoraprojectfedoraMatch34

VendorProductVersionCPE
flask-restx_projectflask-restx*cpe:2.3:a:flask-restx_project:flask-restx:*:*:*:*:*:python:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
flask-restx_project	flask-restx	*	cpe:2.3:a:flask-restx_project:flask-restx::::::python::*
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*

CNA Affected

[
  {
    "product": "flask-restx",
    "vendor": "python-restx",
    "versions": [
      {
        "status": "affected",
        "version": "< 0.5.1"
      }
    ]
  }
]