VulnerabilityModified
CVE-2021-32838
Flask-RESTX before version 0.5.1 is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex.
HIGH 7.5EPSS 1.86%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.86% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- flask-restx project/flask-restx · fedoraproject/fedora
- Source
- security-advisories@github.com
References
- https://github.com/advisories/GHSA-3q6g-vf58-7m4gThird Party Advisory
- https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51Patch, Third Party Advisory
- https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656daPatch, Third Party Advisory
- https://github.com/python-restx/flask-restx/issues/372Issue Tracking, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3/
- https://pypi.org/project/flask-restx/Product, Third Party Advisory
- https://github.com/advisories/GHSA-3q6g-vf58-7m4gThird Party Advisory
- https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51Patch, Third Party Advisory
- https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656daPatch, Third Party Advisory
- https://github.com/python-restx/flask-restx/issues/372Issue Tracking, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3/
- https://pypi.org/project/flask-restx/Product, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.