CVE-2022-21195

All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash.

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://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py	Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:url-regex_project:url-regex:*:*:*:*:*:*:*:*

History

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~NVD-CWE-Other~~	CWE-1333

Information

Published : 2022-05-20 20:15

Updated : 2024-02-28 19:09

NVD link : CVE-2022-21195

Mitre link : CVE-2022-21195

CVE.ORG link : CVE-2022-21195

JSON object : View

Products Affected

url-regex_project

url-regex

CWE

CWE-1333

Inefficient Regular Expression Complexity

{"id": "CVE-2022-21195", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "report@snyk.io", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2022-05-20T20:15:09.827", "references": [{"url": "https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py", "tags": ["Exploit", "Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643", "tags": ["Exploit", "Third Party Advisory"], "source": "report@snyk.io"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-1333"}]}], "descriptions": [{"lang": "en", "value": "All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash."}, {"lang": "es", "value": "Todas las versiones del paquete url-regex son vulnerables a una Denegaci\u00f3n de Servicio por Expresi\u00f3n Regular (ReDoS) que puede causar el bloqueo del uso de la CPU"}], "lastModified": "2023-08-08T14:22:24.967", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:url-regex_project:url-regex:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4E568BB4-BE50-4B0C-8F38-2FF8DF24DC98"}], "operator": "OR"}]}], "sourceIdentifier": "report@snyk.io"}