CVE-2021-3828 - Vulnerability Details - OpenCVE

Description

nltk is vulnerable to Inefficient Regular Expression Complexity

Published: 2021-09-27

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

nltk

nltk/nltk

affected

Version	Status	Constraints
`unspecified`	affected	≤ 3.6.3

Configuration 1 [-]

cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-0147	nltk is vulnerable to Inefficient Regular Expression Complexity
Github GHSA	GHSA-2ww3-fxvq-293j	NLTK Vulnerable to REDoS
Ubuntu USN	USN-5215-1	NLTK vulnerability

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00433.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/nltk/nltk/commit/277711ab1dec729e626b27aab6fa35ea5efbd7e6
https://huntr.dev/bounties/d19aed43-75bc-4a03-91a0-4d0bb516bc32

History

No history.

Subscriptions

Nltk Nltk

MITRE

Status: PUBLISHED

Assigner: @huntrdev

Published: 2021-09-27T12:25:30.000Z

Updated: 2024-08-03T17:09:09.516Z

Reserved: 2021-09-24T00:00:00.000Z

Link: CVE-2021-3828

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-27T13:15:07.993

Modified: 2024-11-21T06:22:33.317

Link: CVE-2021-3828

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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