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[email protected]NVD:CVE-2021-3842

HistoryJan 04, 2022 - 3:15 p.m.

CVE-2021-3842

2022-01-0415:15:07

CWE-1333

[email protected]

web.nvd.nist.gov

nltk

vulnerable

regular expression

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

0.001

Percentile

43.9%

JSON

nltk is vulnerable to Inefficient Regular Expression Complexity

Affected configurations

Nvd

Node

nltknltkRange<3.6.6

Node

debiandebian_linuxMatch9.0

debiandebian_linuxMatch10.0

debiandebian_linuxMatch11.0

Node

fedoraprojectfedoraMatch35

VendorProductVersionCPE
nltknltk*cpe:2.3:a:nltk:nltk:*:*:*:*:*:*:*:*
debiandebian_linux9.0cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debiandebian_linux11.0cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nltk	nltk	*	cpe:2.3:a:nltk:nltk::::::::
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*
debian	debian_linux	11.0	cpe:2.3:o:debian:debian_linux:11.0:::::::*
fedoraproject	fedora	35	cpe:2.3:o:fedoraproject:fedora:35:::::::*