Security readout for executives and security teams
Plain-English summary
CVE-2017-9830 describes possible remote code execution in Code42 CrashPlan 5.4.x. The issue involves a Java class that can start a TCP listener and deserialize data from clients. That pattern can create serious risk if exposed, but the source bundle does not provide CVSS, patch details, or evidence of active exploitation.
Executive priority
Treat this as a high-priority legacy software exposure. Remote code execution risk is potentially severe, especially if reachable over a network, but the evidence bundle lacks exploit and fix detail. Focus on finding affected installs and confirming vendor-supported remediation.
Technical view
The reported weakness is in org.apache.commons.ssl.rmi.DateRMI as used by Code42 CrashPlan 5.4.x. Instantiating the class creates an RMI server on a TCP port and deserializes objects received from TCP clients, enabling possible remote code execution. Structured affected-product metadata and CWE data are absent from the bundle.
Likely exposure
Exposure is most plausible where Code42 CrashPlan 5.4.x is installed and the relevant Java/RMI listener is reachable from untrusted networks. The bundle does not define exact ports, CPEs, operating systems, or deployment conditions.
Exploitation context
The bundle supports possible remote code execution but does not show active exploitation. CVE is not marked in KEV. No public exploit status, exploit maturity, or observed-in-the-wild activity is provided in the supplied sources.
Researcher notes
The central condition is unsafe deserialization through an RMI server created during DateRMI instantiation. The bundle is sparse: no CVSS, CWE, CPE, fixed version, port, or exploit telemetry. Avoid assuming broader Code42 product impact beyond CrashPlan 5.4.x.
Mitigation direction
- Identify any Code42 CrashPlan 5.4.x deployments.
- Check Code42 guidance for fixed versions or supported migration paths.
- Restrict network reachability to CrashPlan-related listeners where possible.
- Prioritize removal or upgrade of unsupported affected installations.
- Monitor vendor and CVE sources for remediation details.
Validation and detection
- Confirm whether CrashPlan 5.4.x exists in asset inventory.
- Check hosts for unexpected Java/RMI TCP listeners.
- Review firewall rules for exposure to untrusted networks.
- Verify whether org.apache.commons.ssl.rmi.DateRMI is present in deployed components.
- Document vendor guidance and applied remediation status.
Public sources used
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.
Execution 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-2017-9830 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://blog.radicallyopensecurity.com/CVE-2017-9830.htmlCVE reference · x_refsource_MISC
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.