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[email protected]CVE-2021-32838

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

CVE-2021-32838

2021-09-2018:15:11

CWE-400

[email protected]

web.nvd.nist.gov

cve-2021-32838

flask-restx

pypi package

redos

regular expression denial of service

email_regex

security vulnerability

5 Medium

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

7.5 High

CVSS3

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

0.006 Low

EPSS

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

Vulners

NVD

Node

python-restxflask_restxRange<0.5.1

CPENameOperatorVersion
flask-restx_project:flask-restxflask-restx project flask-restxlt0.5.1

CPE	Name	Operator	Version
flask-restx_project:flask-restx	flask-restx project flask-restx	lt	0.5.1

CNA Affected

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