CVE-2018-1273 is a property binder vulnerability in VMware Tanzu Spring Data Commons. CISA added it to the Known Exploited Vulnerabilities catalogue on 25 March 2022, which means attackers have used it in real attacks. Spring Data Commons contains a property binder vulnerability which can allow an attacker to perform remote code execution.
What this vulnerability means in practice
A property binder vulnerability in Spring Data Commons matters because binding logic can turn ordinary user input into executable behaviour. In a framework used to populate application objects from request parameters, that mistake can cross the boundary from data handling into code execution.
The security concern is not just the presence of a CVE record, but the placement of the flaw inside a common application plumbing layer. When property binding is reachable from an exposed interface, an attacker may be able to influence object properties in ways the application never intended, especially if defensive binding rules are weak or inconsistent.
For authoritative record details and version-specific guidance, refer to the CVE Program and the NIST National Vulnerability Database.
Why property binder flaws are dangerous
Binder flaws are dangerous because they sit at a trusted conversion point between external input and internal application state. If an attacker can shape that conversion, they may reach method invocation paths, unsafe object construction, or other execution-sensitive behaviour without needing direct access to a shell or privileged account.
In frameworks that support dynamic object mapping, the attack surface often includes web controllers, APIs, and form submissions. That makes the vulnerability especially sensitive in internet-facing applications, where a small input-handling mistake can become a remote code execution path.
This is why exploitation of framework-level binding issues is treated as a serious application security event rather than a routine bug. The defect can undermine the trust boundary that separates untrusted request data from application control flow.
How organisations assess exposure and reduce blast radius
Exposure checks start with an application inventory: identify every service using Spring Data Commons, then determine whether any instance is reachable by untrusted users. Teams should also review vendor advisories and the CISA KEV catalogue to confirm whether a deployed build is affected and whether exploitation is already known in the wild.
When a patch cannot be applied immediately, the next best reduction is to narrow the reachable input surface. That may include restricting exposed endpoints, placing temporary controls in front of the application, and limiting who can submit data to the vulnerable binding path.
For broader vulnerability handling, use the Vulnerability Management Guide to align asset scoping, prioritisation, verification, and remediation tracking around known exploited software flaws.
Detection, response, and post-incident review
Because this CVE is associated with real-world exploitation, detection should assume the possibility of compromise, not just failed attempts. Review application logs, web access logs, process creation events, and outbound connections for signs that the vulnerable application was used to execute unexpected commands or load unapproved code.
If exploitation is suspected, incident response should include a post-patch compromise review. Patching closes the entry point, but it does not remove payloads, web shells, scheduled tasks, modified configuration, or any secondary foothold created after initial execution.
Where the application uses service credentials, API keys, or other secrets that may have been accessible to the process, rotate them after containment. A successful RCE can expose adjacent trust material even when the original flaw appears to be only about input handling.
Risk and Threat Considerations
This vulnerability creates a direct remote code execution risk when the affected application exposes the binding path to untrusted input. The practical danger is that an attacker can move from crafted requests to arbitrary execution, which can quickly turn one vulnerable service into a wider compromise point.
Failure mechanism: The binder accepts attacker-controlled values and maps them into application objects in a way that reaches unsafe execution behaviour or privileged state changes.
Impact: Successful exploitation can lead to command execution, data exposure, credential theft, service disruption, and further lateral movement from the compromised application.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
OWASP ASVS, NIST SP 800-53 Rev 5 and CIS Controls v8 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| OWASP ASVS | V15 — Secure Coding and Architecture | Property binding safety is a secure design concern for request-to-object handling. |
| V4 — API and Web Service | The flaw is exploitable through externally supplied request data in web and API paths. | |
| Recommendation — Review binding logic for unsafe object mapping and constrain inputs that reach execution-sensitive code. Validate request handling paths that bind external input into server-side objects. | ||
| NIST SP 800-53 Rev 5 | SI-2 — Flaw Remediation | A known exploited vulnerability requires timely remediation and verification. |
| SI-4 — System Monitoring | Exploitation should be monitored for signs of command execution and follow-on activity. | |
| Recommendation — Patch the affected component and verify the flaw is removed from all exposed instances. Monitor logs and host telemetry for evidence of exploitation and secondary payload activity. | ||
| CIS Controls v8 | CIS-7 — Continuous Vulnerability Management | KEV-listed exploitation makes prioritised vulnerability management central to this CVE. |
| Recommendation — Prioritise the vulnerable application for immediate remediation and track confirmation of closure. | ||
Practitioner Guidance
What to watch for: Treat any Spring Data Commons deployment that is internet-facing or processes untrusted user input as high priority until it is verified against vendor guidance. Where temporary mitigation is needed, reduce exposure first, then confirm remediation with rescanning and application testing after patching.
Practitioner takeaway: Framework-level binding flaws are often more dangerous than they look, because they sit at the point where external data becomes application behaviour.
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Reviewed and updated by the NHIMG editorial team on October 17, 2026.
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