CVE-2021-42126

An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*

History

09 Aug 2022, 14:45

Type	Values Removed	Values Added
CWE	~~CWE-863~~	NVD-CWE-Other

08 Dec 2021, 17:39

Type	Values Removed	Values Added
CWE		CWE-863
CPE		cpe:2.3:a:ivanti:avalanche::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 8.8
References	~~(MISC) https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3 -~~	(MISC) https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3 - Vendor Advisory

07 Dec 2021, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-12-07 14:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-42126

Mitre link : CVE-2021-42126

CVE.ORG link : CVE-2021-42126

JSON object : View

Products Affected

ivanti

avalanche

CWE

NVD-CWE-Other CWE-285

Improper Authorization

{"id": "CVE-2021-42126", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-12-07T14:15:09.197", "references": [{"url": "https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3", "tags": ["Vendor Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-285"}]}], "descriptions": [{"lang": "en", "value": "An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de control de autorizaci\u00f3n inapropiada en Ivanti Avalanche versiones anteriores a 6.3.3 que permite a un atacante con acceso al Servicio Inforail llevar a cabo una escalada de privilegios"}], "lastModified": "2022-08-09T14:45:07.703", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F9A93D88-E04B-4225-8D57-E0DF1395E6BD", "versionEndExcluding": "6.3.3"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}