by Kastro
Paper/Archive/CVE-2022-36980

CVE-2022-36980

Ivanti Avalanche — This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490.

EPSS 82%CVSS 9.4
critical.is priorityof 100
48
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 99.7.997 × 2019.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the EnterpriseServer service. The issue results from the lack of proper locking when performing operations during authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15528.

Affected

ProductAffectedFixed inSource
Avalanche6.3.2.3490–CNA

Scores by source

zdi (CNA)9.4CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refdownload.wavelink.com/Files/avalanche_v6.3.4_release_notes.txtrefzerodayinitiative.com/advisories/ZDI-22-785