What is CVE-2014-4150?

CVE-2014-4150 is a medium-severity vulnerability in S48 Scheme48, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2018-07-20.

How severe is CVE-2014-4150?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in S48 Scheme48

CVE-2014-4150

The scheme48-send-definition function in cmuscheme48.el in Scheme 48 allows local users to write to arbitrary files via a symlink attack on /tmp/s48lose.tmp.

Published 2018-07-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

S48 Scheme48

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
www.s48.org/cgi-bin/hgwebdir.cgi/s48/rev/a44624256297 (Patch, Vendor Advisory)
www.openwall.com/lists/oss-security/2014/06/13/5 (mailing-list, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/67654 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2014-4150?: CVE-2014-4150 is a medium-severity vulnerability in S48 Scheme48, classified under Improper Link Resolution Before File Access. CVSS score: 5.5/10. Published 2018-07-20.
How severe is CVE-2014-4150?: Medium severity. CVSS v3 base score is 5.5 out of 10.