Security readout for executives and security teams
This issue affects Pivotal/Spring Spring-flex AMF3 deserialization. If an attacker can spoof or control an RMI server connection used by the application, they may cause Java objects to be deserialized in a way that can execute arbitrary code. The business risk is serious where legacy Spring-flex and untrusted RMI paths exist. Exposure is most likely in legacy Java applications using Pivotal/Spring Spring-flex AMF3 deserialization with RMI connectivity that could be spoofed, redirected, or controlled by an attacker. The supplied data lists affected versions only as version 0, so exact version scope is unclear. Prioritize review if the organization still runs legacy Spring-flex applications or RMI-connected Java services. The impact can be code execution, but urgency depends on whether the narrow RMI control condition is realistic in your environment. Mitigation focus: Inventory applications using Spring-flex or Java AMF3 deserialization.; Check Pivotal/Spring and CERT guidance for supported fixes or replacements.; Remove or retire Spring-flex where it is no longer required..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-3203 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://codewhitesec.blogspot.com/2017/04/amf.htmlCVE reference · x_refsource_MISC
- VU#307983CVE reference · third-party-advisory, x_refsource_CERT-VN
- 97376CVE reference · vdb-entry, x_refsource_BID
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.