Historical catalog analysis: CISA added this entry on February 06, 2025. The entry reflects catalog information retrieved on August 31, 2026, not a snapshot archived on the inclusion date. Check current vendor guidance before acting.
What the vulnerability is
CVE-2020-29574 is a SQL injection vulnerability (CWE-89) located within the WebAdmin interface of Sophos CyberoamOS (CROS). This flaw allows an unauthenticated remote attacker to execute arbitrary SQL statements. The vulnerability has been identified as having known use in ransomware campaigns.
Exposure and applicability
This vulnerability affects organizations utilizing Sophos CyberoamOS. Because the flaw resides in the WebAdmin component, any instance of this OS with its management interface exposed to untrusted networks is at high risk of exploitation. The primary exposure path is remote, unauthenticated access to the administrative web portal.
Remediation priorities
Based on the source data, there is no patch available because the product has reached end-of-life (EoL) and/or end-of-service (EoS) status. Our analysis suggests the following prioritization for vulnerability management teams:
- Immediate Decommissioning: The primary remediation is to discontinue the use of Sophos CyberoamOS entirely. Replacing EoL hardware or software with supported alternatives is the only way to eliminate this specific exposure.
- Network Isolation: If immediate replacement is not possible, defenders should immediately restrict access to the WebAdmin interface. This involves implementing strict firewall rules or Access Control Lists (ACLs) to ensure the management portal is not reachable from the public internet or untrusted internal segments.
- Asset Inventory Audit: Infrastructure owners should audit all network edge and internal gateway devices to identify any remaining CyberoamOS instances that may have been overlooked during previous lifecycle refreshes.
How to validate remediation
Verification must move beyond simple version checks, as the product is no longer supported. To verify that exposure has been reduced:
* Connectivity Testing: Use network scanning tools from an external or untrusted segment to confirm that the WebAdmin port is no longer reachable (e.g., confirming a ‘filtered’ or ‘closed’ state).
* Decommissioning Evidence: Confirm the physical removal of the device from the network path or the deletion of the virtual instance from the hypervisor.
Residual risk remains high for any organization that continues to run this software, as no official security updates are being produced to address this or future vulnerabilities.
Limits and open questions
It is unknown if there are viable third-party compensating controls that can fully neutralize this SQL injection without breaking the functionality of the WebAdmin. Furthermore, while the vulnerability is known to be used by ransomware campaigns, the specific sequence of post-exploitation activities following the initial SQL injection remains unspecified in the provided source.
Source and editorial note
CVE-2020-29574: CyberoamOS (CROS) SQL Injection Vulnerability · Source date: February 06, 2025 · Retrieved August 31, 2026.
Material facts are tied to the cited primary source. Recommendations are independent defensive analysis unless attributed to the source. Confirm consequential decisions against current authoritative guidance.
Archive date: February 09, 2025. The displayed post date is assigned three days after the source date to organize this retrospective archive; it does not mean this site published the analysis then. First published by this site: October 26, 2026 at 00:10 UTC.
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