Home/CVE/An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 using inforail Service allows Privil
CVE

CVE-2021-42128

An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 using inforail Service allows Privil

An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 using inforail Service allows Privilege Escalation via Enterprise Server Service.

CRITICAL · CVSS 9.8 EPSS 0.16888
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-749Exposed Dangerous Method or Function
▤

Affected Products & Versions

1
ivanti avalanche< 6.3.3
▣

Scoring & Timeline

9.8
CRITICAL · 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:N/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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