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CVE Record

CVE-2015-4155: GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) --compress,...

GNU Parallel before 20150422, when using (1) --pipe, (2) --tmux, (3) --cat, (4) --fifo, or (5) --compress, allows local users to write to arbitrary files via a symlink attack on a temporary file.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2015-4155 is a local file overwrite issue in GNU Parallel before 20150422. When certain options are used, a local user may abuse temporary-file handling through a symlink attack to write to files they should not control. Exposure is most likely on Unix-like systems with GNU Parallel before 20150422, especially shared hosts or automation servers where local users can run jobs using the named options. Treat this as a targeted hygiene issue, not an internet-wide emergency. Prioritize shared servers, CI/build systems, and privileged automation where local users or jobs could influence GNU Parallel execution. Mitigation focus: Upgrade GNU Parallel to 20150422 or later where available.; Review vendor or distribution package guidance for backported fixes.; Restrict local shell access on shared systems where practical..

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Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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