CVE-2015-4156
GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-4156- CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-59
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2015-4156- Updated
- 2026-11-02
EUVDEUVD-2015-4180No score
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.
- Record
EUVD-2015-4180- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c272-w43g-64p3No score
GNU Parallel before 20150522 (Nepal), when using (1) --cat or (2) --fifo with --sshlogin, allows...
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.
- Record
GHSA-c272-w43g-64p3- Weakness
- CWE-59
- Updated
- 2026-11-02
OSVNo score
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.
- Record
CVE-2015-4156- Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-4156No score
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.
- Record
DEBIAN-CVE-2015-4156- Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-4156No score
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.
- Record
UBUNTU-CVE-2015-4156- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-4156 is a low vulnerability (CVSS 3.6) in Gnu Parallel, published June 2, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. Fixed in parallel 20161222-1.
References
lists.opensuse.org/opensuse-updates/2015-05/msg00090.html
securityfocus.com/bid/74961
lists.gnu.org/archive/html/parallel/2015-04/msg00045.html
nvd.nist.gov/vuln/detail/CVE-2015-4156
github.com/advisories/GHSA-c272-w43g-64p3
security-tracker.debian.org/tracker/CVE-2015-4156
ubuntu.com/security/CVE-2015-4156
cve.org/CVERecord?id=CVE-2015-4156