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[email protected]CVE-2021-43307

HistoryJun 02, 2022 - 2:15 p.m.

CVE-2021-43307

2022-06-0214:15:00

CWE-1333

[email protected]

web.nvd.nist.gov

cve-2021-43307

nvd

information security

vulnerability

redos

semver-regex

npm package

7.5 High

CVSS3

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

7.6 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

35.9%

JSON

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the semver-regex npm package, when an attacker is able to supply arbitrary input to the test() method

CPENameOperatorVersion
semver-regex_project:semver-regexsemver-regex project semver-regexlt3.1.4
semver-regex_project:semver-regexsemver-regex project semver-regexlt4.0.3

CPE	Name	Operator	Version
semver-regex_project:semver-regex	semver-regex project semver-regex	lt	3.1.4
semver-regex_project:semver-regex	semver-regex project semver-regex	lt	4.0.3

References

research.jfrog.com/vulnerabilities/semver-regex-redos-xray-211349/

Social References

7.5 High

CVSS3

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

7.6 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

35.9%

JSON

Related for CVE-2021-43307

osv2 veracode1 cnvd1 prion1 github1 ibm2