THREATPORT/VULNERABILITY/CVE-2022-43605
CRITICAL SEVERITY

CVE-2022-43605

Opener vulnerability

CVSS
10.0
EPSS
14.4%
EPSS pct
96th
Exploited
No known
An out-of-bounds write vulnerability exists in the SetAttributeList attribute_count_request functionality of EIP Stack Group OpENer development commit 58ee13c. A specially crafted EtherNet/IP request can lead to an out of bounds write, potentially causing the server to crash or allow for remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Affected vendor
Opener Project
Affected product
Opener
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
Published
2023-03-16

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 14.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2022-43605

  • Confirm whether Opener Project Opener is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-43605.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-43605

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-43605 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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