Security readout for executives and security teams
GNU Parallel had a local file overwrite weakness in older versions. On shared systems, a local user could abuse specific remote-execution options to cause files to be overwritten. The issue is conditional, but it matters where GNU Parallel is used in automation, batch processing, or multi-user research environments. Exposure is most likely on Unix-like systems running GNU Parallel before 20150522, especially shared hosts or automation servers where untrusted local users coexist with jobs using --cat or --fifo plus --sshlogin. Treat this as a targeted hygiene issue, not an internet-wide emergency. Prioritize shared compute hosts and automation platforms because arbitrary file overwrite can support privilege-impacting outcomes when combined with local access. Mitigation focus: Upgrade GNU Parallel to 20150522 (Nepal) or a later supported release.; Apply fixed vendor packages where GNU Parallel is supplied by the operating system.; Review vendor advisories for distribution-specific package names and fixed versions..
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
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ATT&CK lookup starting points
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CVE-2015-4156 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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