Home/CVE/An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access t
CVE

CVE-2021-42126

An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access t

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.

HIGH · CVSS 8.8 EPSS 0.05743
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-285Improper Authorization
▤

Affected Products & Versions

1
ivanti avalanche< 6.3.3
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Dec 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3Vendor Advisory
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