CVE-2023-4528
Published: 07 September 2023
Summary
CVE-2023-4528 is a high-severity Deserialization of Untrusted Data (CWE-502) vulnerability in Redwood Jscape Mft. Its CVSS base score is 7.2 (High).
Operationally, ranked in the top 3.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Unsafe deserialization in JSCAPE MFT Server versions prior to 2023.1.9 affects the product's binary management service on Windows, Linux, and macOS. The flaw, tracked as CWE-502, allows an authenticated user to supply malicious serialized Java objects through the management interface, resulting in arbitrary Java code execution that can include operating system commands. The vulnerability carries a CVSS 3.1 score of 7.2 with network attack vector, low complexity, and high privileges required.
An attacker who already possesses high-privileged credentials on the management interface can exploit the issue remotely without user interaction to obtain full control over the host, including reading or modifying sensitive data and disrupting service availability. Because the management interface is typically exposed for administrative access, any compromise of those credentials immediately enables the deserialization payload.
Vendor guidance from JSCAPE directs customers to apply the binary management service patch released in version 2023.1.9. Rapid7 analysis of the fix confirms that the update addresses the unsafe deserialization path in the affected component.
The associated EPSS score has remained flat at 0.2823 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-54383
Vulnerability details
Unsafe deserialization in JSCAPE MFT Server versions prior to 2023.1.9 (Windows, Linux, and MacOS) permits an attacker to run arbitrary Java code (including OS commands) via its management interface
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing supplies malicious serialized objects, detecting unsafe deserialization and supporting corrective actions.
Evaluation of untrusted data handling (deserialization testing) reveals unsafe processing, which the required remediation process addresses.
Untrusted serialized data can be deserialized and observed inside the chamber, blocking gadget-chain exploitation outside the sandbox.
Validates or rejects untrusted serialized data before deserialization occurs.
Identifies and blocks malicious code introduced through deserialization of untrusted data at system boundaries.
Integrity verification of serialized information can detect tampering before deserialization occurs.
Provenance of associated data allows detection of untrusted sources before deserialization or processing occurs.