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Vulnerability record · CVE-2017-9830 · published 27 June 2017

CVE-2017-9830: Code42 crashplan deserialization of untrusted data vulnerability

Code42 · Crashplan

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.

9.8 CVSS 3.0 Critical EPSS 6.5% · top 6.5% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.0 base score, v2 7.5
6.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.radicallyopensecurity.com/CVE-2017-9830.html Third Party Advisory
https://blog.radicallyopensecurity.com/CVE-2017-9830.html Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-9830), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.