CVE-2022-1368

Executive Summary

CVE-2022-1368 is a critical authentication bypass vulnerability (CWE-306: Missing Authentication for Critical Function) affecting the Cognex 3D-A1000 Dimensioning System in firmware version 1.0.3 (3354) and prior. The flaw allows unauthenticated attackers to change the operator account password by monitoring web socket communications and replaying or crafting commands without a valid session. Successful exploitation yields full account compromise with a CVSS score of 9.8, enabling an attacker to control the device's configuration, measurement data, and network communications. With no patch available (patch confidence 0/4) and a 53.4% EPSS percentile ranking indicating elevated exploit likelihood, organizations running this industrial device face an urgent and unresolved exposure.

Technical Analysis

The Cognex 3D-A1000 Dimensioning System is an industrial fixed-mount vision system used for measuring packages, pallets, and irregular objects in logistics and material-handling environments. The device exposes an embedded web server for configuration, monitoring, and operator management.

The vulnerability resides in the device's web socket communication channel. According to the NVD description, the device is vulnerable to CWE-306: Missing Authentication for Critical Function. The specific mechanism involves the following:

1. Web Socket Communication Channel: The web server exposes a web socket endpoint for real-time communication between the browser-based UI and the device's backend services. This channel handles operator management functions, including password change requests.
2. Missing Session Validation: When a password-change command is issued over web socket, the device fails to validate whether the initiating session has been authenticated. This is a critical distinction from merely having weak credentials or a predictable session token — the session state is not checked at all.
3. Command Execution: An unauthenticated attacker can monitor the web socket protocol (passively observing frames to understand the message format) and then send a crafted password-reset/change command directly to the web socket endpoint, effectively authorizing a password change without providing any valid credentials.

The attack surface is the web socket endpoint exposed over HTTP/HTTPS on the device's management interface, typically bound to port 80 or 443. The device's default deployment usually places it on the local OT/ICS network, but misconfigurations frequently expose it to broader network segments.

The core flaw is the absence of a session state check in the server-side handler for the operator password-change function. The device does not perform an authentication check against the session token or HTTP cookies before executing the critical function. The device's firmware version 1.0.3 (3354) — and all prior versions — are affected.

Insufficient technical detail is available regarding the exact web socket message structure, endpoint paths, or parameter names, as the NVD description does not enumerate them. The attack is best described at the vulnerability-class level (missing authentication on critical function) rather than with specific protocol details.

Exploitation Scenarios

Scenario: Unauthenticated Remote Account Takeover via Web Socket Manipulation

Since no public PoC exists, the following attack chain is inferred from the vulnerability class (CWE-306) and the NVD description's specific mention of "web socket communication."

Step 1 — Reconnaissance/Target Identification:

• The attacker performs a network scan (e.g., using Shodan, Censys, or Nmap) to identify Cognex 3D-A1000 devices. Default credentials are often never changed in industrial deployments, but this attack does not rely on them.
• The target is identified by its open HTTP/HTTPS port (80/443) and server banner responses indicating Cognex firmware.
• Internet-exposed devices are the primary targets; however, attackers who have already gained a foothold on an OT network can pivot to the device.

Step 2 — Triggering the Flaw (Web Socket Session Enumeration):

• The attacker connects to the device's web interface in a normal browser session (unauthenticated) and opens the developer console/network tab.
• They observe real-time web socket communications, capturing frames from a legitimate (or even an unauthenticated) session that include the protocol structure for operator password management.
• Since the device does not distinguish between authenticated and unauthenticated sessions at the web socket level, the attacker identifies that the password-change message format is accessible and executable without a pre-existing session.

Step 3 — Exploitation/Payload Execution:

• The attacker crafts a web socket message mimicking the password-change command format (e.g., a JSON/XML frame containing a new operator password).
• They transmit this message to the web socket endpoint. The device's server code processes the command, updates the operator password in its persistent configuration, and does not reject the request for lack of authentication.
• Because the session is unauthenticated, no CSRF token, session cookie, or other form of per-request authorization is required.

Step 4 — Post-Exploitation Impact:

• The attacker now possesses valid operator credentials for the device.
• They log in with the newly set password and gain full administrative control over the dimensioning system.
• They can: modify measurement algorithms, exfiltrate or corrupt measurement data, disable safety interlocks, or reconfigure the device to feed false data to upstream WMS systems — a double impact of data integrity loss and operational manipulation.

No public PoC is available; the attack chain is inferred from vulnerability class and the NVD description's specific mention of web socket communications.

Impact Assessment

CVSS Score: 9.8 (Critical) — While the vendor's CVSS vector string is not provided, a score of 9.8 aligns with AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H — network-accessible, no privileges, no user interaction, full confidentiality/integrity/availability impact.

Business Impact:

• Integrity Loss (High): An attacker can alter the operator password, locking out legitimate operators and administrators. They can then change measurement configurations, corrupt dimension data, or inject false readings. For logistics hubs relying on 3D dimensioning for shipping costs, customs declarations, and freight calculations, corrupted data can trigger erroneous billing disputes and compliance failures.
• Confidentiality Loss (High): An attacker with operator-level access can extract measurement logs, imaging data (3D point clouds), and network configuration, potentially revealing facility layouts and package contents.
• Availability Loss (High): An attacker can reconfigure the device to fail, causing production stoppage in automated parcel-handling lines. Restoring the device may require a factory reset and full recalibration, resulting in extended downtime.

Affected Systems:

• Cognex 3D-A1000 Dimensioning System with firmware version 1.0.3 (3354) and earlier.
• Devices deployed in logistics, e-commerce fulfillment, postal service, and freight-handling operations where package dimensioning is critical to dispatch.

Blast Radius: High — The device's network exposure on unsegregated OT networks can allow an attacker to move laterally from the compromised system to other ICS/SCADA assets. The interconnection of the dimensioning system with warehouse management systems (WMS) and shipper APIs expands the blast radius to upstream backend systems and downstream carrier networks.

Exploitability: The EPSS score of 0.00807 (53.4th percentile) indicates moderate exploitation chatter relative to the overall CVE population. With no patch available, the device remains persistently vulnerable.

Detection Guidance

Sigma Rule

title: Cognex 3D-A1000 Unauthenticated Operator Password Change via Websocket
id: 3f8f7f76-8cbe-4f2a-b5f4-9e19a91c1a22
status: experimental
description: Detects potential exploitation of CVE-2022-1368 - missing authentication for password change on Cognex 3D-A1000 websocket interface.
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2022-1368
author: Valtersit Threat Intelligence
date: 2024/05/21
logsource:
    category: webserver
    product: cognex
    service: websocket
detection:
    selection_src_ip:
        src_ip:
            - '10.0.0.0/8'
            - '172.16.0.0/12'
            - '192.168.0.0/16'
    selection_auth_header:
        http.authorization|contains: 'null'
    selection_uri:
        http.uri|contains: 'socket'
    selection_payload:
        request_body|contains: 'password'
    condition: selection_src_ip and selection_uri and selection_payload and selection_auth_header
level: high
falsepositives:
    - Legitimate password changes from authenticated admin (rare)
    - Monitoring tools querying websocket status
fields:
    - src_ip
    - http.uri
    - dst_port
    - request_body

YARA Rule

rule Cognex_3D_A1000_Password_Change_Unauth
{
    meta:
        author = "Valtersit Threat Intelligence"
        description = "Detects websocket frames/traffic indicating password change attempts on Cognex 3D-A1000"
        cve = "CVE-2022-1368"
        date = "2024-05-21"
        severity = "critical"

    strings:
        $ws_marker = "ws" ascii
        $cmd_pass  = "password" ascii nocase
        $cmd_oper  = "operator" ascii nocase
        $cmd_set   = "set" ascii nocase
        $cmd_change = "change" ascii nocase
        $json_fmt   = "{\"" ascii
        $xml_fmt    = "<?xml" ascii

    condition:
        uint16(0) == 0x81 and // websocket text frame
        (any of ($cmd_*)) and
        (any of ($json_fmt, $xml_fmt)) and
        filesize < 2048
}

Suricata IDS Rule

alert http any any -> any any (msg:"CVE-2022-1368 Cognex 3D-A1000 Unauthenticated Websocket Password Change Attempt"; flow:to_server,established; content:"Upgrade"; http_header; content:"websocket"; http_header; content:"password"; http_client_body; nocase; reference:cve,2022-1368; classtype:attempted-admin; sid:20221368; rev:1;)

alert tcp any any -> any any (msg:"CVE-2022-1368 Cognex 3D-A1000 Websocket Traffic Without Auth"; flow:established; content:"|81|"; depth:1; content:"password"; nocase; within:500; flow:to_server; reference:cve,2022-1368; classtype:attempted-admin; sid:20221369; rev:1;)

Elastic Detection

sequence by host.ip with maxspan=10m
  [network where event.action == "connection_attempted" and destination.port == 80 and process.name : "java" or process.name : "web_socket_server"] 
  [file where event.action == "modification" and file.name : "config.xml" and process.name : "java"] 
  [authentication where event.outcome == "success" and user.name : "operator"]

Splunk SPL Query

index=web sourcetype=cognex:websocket 
| where http_uri LIKE "%socket%" AND (request_body LIKE "%password%" OR request_body LIKE "%operator%")
| eval auth_present = if(match(http_authorization, "Bearer|Basic|session"), "yes", "no")
| where auth_present == "no"
| stats count by src_ip, dest_ip, http_uri, request_body 
| sort -count
| table src_ip, dest_ip, http_uri, request_body, count

Wazuh OSSEC Rule

<group name="cognex,">
    <rule id="249171" level="15">
        <if_sid>999</if_sid>
        <decoded_as>json</decoded_as>
        <match>password</match>
        <regex>websocket|socket</regex>
        <description>Cognex 3D-A1000 critical: Unauthenticated websocket password change attempt detected - CVE-2022-1368</description>
        <mitre>
            <id>T1190</id>
        </mitre>
        <group>authentication_failure,</group>
    </rule>
    <rule id="249172" level="12">
        <if_sid>1001368</if_sid>
        <match>Authorization: null</match>
        <description>Cognex 3D-A1000: Password change attempted with null authorization header - CVE-2022-1368</description>
        <group>pci_dss_10.6.1,</group>
    </rule>
</group>

Mitigation & Patch Guidance

Patch confidence: 0/4 — UNPATCHED. No firmware update, hotfix, or vendor advisory has been released by Cognex addressing CVE-2022-1368. The affected firmware version remains 1.0.3 (3354) and prior. The vendor has not issued a CISA KEV addition (KEV: NO).

1) Immediate Mitigations (compensating controls)

• Network Segmentation: Isolate the 3D-A1000 devices on a separate OT/ICS VLAN. Block direct internet access via perimeter firewalls. Control east-west traffic to the device's management port using allow-list rules.
• Access Control: Enforce strict network-level access control so that only authorized operator workstations can reach the device's HTTP/HTTPS management interface.
• Disable Web Interface (if possible): If the device supports local serial/SSH configuration, disable the web server to eliminate the attack surface entirely.
• Proxy/Rewrite Layer: Place a reverse proxy in front of the device that enforces mandatory authentication (e.g., HTTP Basic, client-side certificates) and drops sessions without valid tokens before forwarding requests to the device.
• Monitor Web Socket Traffic: Deploy the provided Sigma/Suricata/Elastic rules to monitor for unauthenticated web socket messages targeting the password-change function.
• Firmware Rollback (No-Op): No prior firmware version is safe; this vulnerability exists in all versions up to 1.0.3 (3354).

2) Patch / Upgrade Steps

• No official fix available. Monitor Cognex's security advisory pages (https://www.cognex.com/) for firmware versions beyond 1.0.3 (3354) that address this issue.
• If a newer firmware becomes available, test in a staging environment first (since dimensioning systems require recalibration after firmware updates), then deploy to production and verify functionality.

3) Long-Term Hardening

• Change all default passwords on existing devices to strong unique values (even though the flaw bypasses this, it limits impact if the attacker only obtains a password hash dump rather than changing it).
• Integrate with centralized logging: Forward device authentication and configuration-change logs to a SIEM (Splunk/Elastic) for continuous monitoring.
• ICS Security Framework Alignment: Map this vulnerability to IEC 62443-3-3 requirements (authentication and authorization for human-machine interfaces) and enforce Zone/Conduit segmentation.
• Vendor Accountability: Submit a formal vendor request to Cognex for a firmware patch, referencing CVE-2022-1368 and the lack of available remediation.
• Continuous Intelligence: Subscribe to CISA and NVD alerting for updates on this CVE to ensure immediate awareness when a patch is released.

References

1. NVD Entry: https://nvd.nist.gov/vuln/detail/CVE-2022-1368 — Original NVD description and scoring.
2. CWE-306 Definition: https://cwe.mitre.org/data/definitions/306.html — Missing Authentication for Critical Function class weakness.
3. CISA KEV Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog — No entry for CVE-2022-1368 (not known to be exploited in the wild as of last check).
4. Cognex Product Documentation: https://www.cognex.com/products/3d-vision/3d-a1000-dimensioning-system — Official product page, firmware release notes (when available).
5. Exploit-DB / Metasploit: https://www.exploit-db.com/ — Searched for CVE-2022-1368, no public exploit module exists as of the threat intelligence cut-off date.

Known Threat Actor Campaigns: No specific threat actor campaigns have been publicly attributed to CVE-2022-1368 exploitation at the time of writing. The device type (industrial dimensioning) makes it a high-value target for OT-focused groups, but no such activity has been confirmed in open sources. EPSS percentile of 53.4% suggests active reconnaissance or chatter in some automated scanning communities, but exploitation in the wild is not confirmed.