THREATPORT/VULNERABILITY/CVE-2022-36981
CRITICAL SEVERITY

CVE-2022-36981

Avalanche vulnerability

CVSS
9.8
EPSS
83.4%
EPSS pct
100th
Exploited
No known
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche 6.3.3.101. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the DeviceLogResource class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-15966.
Affected vendor
Ivanti
Affected product
Avalanche
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2023-03-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 83.4% reflects a high probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2022-36981

  • Confirm whether Ivanti Avalanche is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-36981.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-36981

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-36981 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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