CVE-2021-3795

2021-09-2017:46:53

redhat.com

access.redhat.com

flaw

semver-regex

resource exhaustion

specific strings

attackers

invalid version

disruption

denial of service

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

45.7%

JSON

A flaw was found in the semver-regex library where it could lead to consuming a big amount of resources when executing specific strings. Attackers could take advantage of this by crafting an invalid version causing a disruption or a denial of service (DoS).