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PatchSiren cyber security CVE debrief

CVE-2024-41925 Optigo Networks CVE debrief

CVE-2024-41925 is a critical vulnerability in the Optigo Networks ONS-S8 Spectra Aggregation Switch, published by CISA on October 1, 2024. The web service contains functions that fail to properly validate user input, enabling attackers to perform directory traversal, bypass authentication, and execute remote code. The affected product is ONS-S8 firmware version 1.3.7 and earlier. No patch is currently available; CISA and the vendor recommend network segmentation and access control mitigations. This vulnerability is not listed in CISA's Known Exploited Vulnerabilities catalog.

Vendor
Optigo Networks
Product
ONS-S8 - Spectra Aggregation Switch
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-10-01
Original CVE updated
2024-10-01
Advisory published
2024-10-01
Advisory updated
2024-10-01

Who should care

Organizations operating Optigo Networks ONS-S8 devices in building management systems (BMS), operational technology (OT) networks, or critical infrastructure environments. Security teams responsible for network segmentation, ICS/OT security, and vendor risk management should prioritize assessment and mitigation.

Technical summary

The ONS-S8 Spectra Aggregation Switch web service fails to validate user input in multiple functions. This deficiency allows unauthenticated remote attackers to: (1) traverse directories outside intended paths, (2) bypass authentication controls, and (3) execute arbitrary code on the device. The vulnerability is network-accessible with low attack complexity, requiring no privileges or user interaction. Impact is rated high for confidentiality, integrity, and availability. Affected versions are 1.3.7 and earlier; no patched version was available at time of advisory publication.

Defensive priority

critical

Recommended defensive actions

  • Isolate ONS-S8 management interfaces to dedicated VLANs with no internet access
  • Restrict OneView management access to dedicated NIC on single authorized BMS computer
  • Implement router firewall with strict whitelist for devices permitted to access OneView
  • Require VPN connectivity for all OneView management sessions
  • Monitor for anomalous web service requests to ONS-S8 devices
  • Apply vendor firmware updates when released, prioritizing versions after 1.3.7

Evidence notes

The vulnerability description and affected product version (<=1.3.7) are sourced from CISA's CSAF-formatted advisory. CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H confirms network-exploitable, unauthenticated remote code execution with high impact across confidentiality, integrity, and availability.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-41925 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-41925

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-41925 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-41925

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-275-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-275-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.