Is CVE-2019-18283 actively exploited?

No active exploitation of CVE-2019-18283 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-18283 be exploited remotely?

Yes. CVE-2019-18283 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-18283?

CVE-2019-18283 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-18283

CWE-502Published: December 12, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). The AdminService is available without authentication on the Application Server. An attacker can gain remote code execution by sending specifically crafted objects to one of its functions. Please note that an attacker needs to have access to the Application Highway in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

NVD Source

Technical Analysis

CVE-2019-18283 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.