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CVE-2015-4156
GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files…
- 3.6LowCVSS base score
- 0.37%Exploitation in 30 daysEPSS · top 69% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows local users to write to arbitrary files via a symlink attack on a temporary file.
Timeline
ID reserved
By mitre
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.6 | AV:L/AC:L/Au:N/C:N/I:P/A:P |
- EPSS (exploitation in 30 days)
- 0.37% · top 69% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.6.
Affected products
n/a
- affected n/a
References
4
- openSUSE-SU-2015:0968 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 74961 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [parallel] 20150423 GNU Parallel Security Advisory: GNU Parallel can be tricked into overwriting a file (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [parallel] 20150522 GNU Parallel 20150522 ('Nepal') released [stable] (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-4180 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-4156)Record last updated .