CVE-2021-43307

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

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://research.jfrog.com/vulnerabilities/semver-regex-redos-xray-211349/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:semver-regex_project:semver-regex::::::::
	cpe:2.3:a:semver-regex_project:semver-regex::::::::

History

No history.

Information

Published : 2022-06-02 14:15

Updated : 2023-07-18 13:53

NVD link : CVE-2021-43307

Mitre link : CVE-2021-43307

CVE.ORG link : CVE-2021-43307

JSON object : View

Products Affected

semver-regex_project

semver-regex

CWE

CWE-1333

Inefficient Regular Expression Complexity

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