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VulnerabilityPublished Updated

CVE-2024-23767: Improper Authentication

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Jun 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

Until an official patch is released by HMS, organizations should implement strict network segmentation to isolate the Anybus X-Gateway devices from untrusted networks, limiting access to only trusted management stations. Employ firewall rules to restrict inbound traffic to the HICP protocol ports from authorized IP addresses only. Monitor network traffic and device logs for unusual configuration changes or unauthorized access attempts. Consider deploying intrusion detection/prevention systems (IDS/IPS) tuned to detect anomalous HICP protocol activity. If possible, disable or restrict HICP protocol usage on the device until a patch is available. Engage with HMS support for guidance on interim mitigations or firmware updates. Additionally, maintain an inventory of all affected devices and prioritize remediation efforts based on criticality. Prepare incident response plans specific to industrial network compromise scenarios involving these gateways.

Description

An issue was discovered on HMS Anybus X-Gateway AB7832-F firmware version 3. The HICP protocol allows unauthenticated changes to a device's network configurations.

References

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