Is CVE-2017-9830 actively exploited?

No active exploitation of CVE-2017-9830 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-9830 be exploited remotely?

Yes. CVE-2017-9830 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-9830?

CVE-2017-9830 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2017-9830

CRITICAL

CVE-2017-9830

CWE-502Published: June 27, 2017· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Remote Code Execution is possible in Code42 CrashPlan 5.4.x via the org.apache.commons.ssl.rmi.DateRMI Java class, because (upon instantiation) it creates an RMI server that listens on a TCP port and deserializes objects sent by TCP clients.

NVD Source

Technical Analysis

CVE-2017-9830 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.