CVE-2021-32838

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-32838
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-20T18:15:11
  • Last Modified Date
  • 2021-09-30T19:23:15
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:flask-restx_project:flask-restx:*:*:*:*:*:python:*:* 1 OR 0.5.1
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/python-restx/flask-restx/issues/372 Issue Tracking Patch Third Party Advisory
https://pypi.org/project/flask-restx/ Product Third Party Advisory
https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da Patch Third Party Advisory
https://github.com/advisories/GHSA-3q6g-vf58-7m4g Third Party Advisory
https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51 Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ/ Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-32838
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32838
History
Created Old Value New Value Data Type Notes
2022-05-10 06:52:49 Added to TrackCVE
2022-12-05 11:02:49 2021-09-20T18:15Z 2021-09-20T18:15:11 CVE Published Date updated
2022-12-05 11:02:49 2021-09-30T19:23:15 CVE Modified Date updated
2022-12-05 11:02:49 Analyzed Vulnerability Status updated