What is CVE-2015-8621?

CVE-2015-8621 is a medium-severity vulnerability in Tcoffee T-Coffee, classified under CWE-264. CVSS score: 5.5/10. Published 2017-08-07.

How severe is CVE-2015-8621?

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

Vulnerability in Tcoffee T-Coffee

CVE-2015-8621

t-coffee before 11.00.8cbe486-2 allows local users to write to ~/.t_coffee globally.

Published 2017-08-07 · 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: 0.004 (28.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Tcoffee T-Coffee

Weakness classification (CWE)

CWE-264

References

bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory, Issue Tracking)
people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-8621.html (Third Party Advisory)
www.openwall.com/lists/oss-security/2015/12/23/4 (mailing-list, Mailing List, Third Party Advisory)
cve.killedkenny.io/cve/CVE-2015-8621 (Third Party Advisory)
security-tracker.debian.org/tracker/CVE-2015-8621/ (Third Party Advisory)

Frequently asked questions

What is CVE-2015-8621?: CVE-2015-8621 is a medium-severity vulnerability in Tcoffee T-Coffee, classified under CWE-264. CVSS score: 5.5/10. Published 2017-08-07.
How severe is CVE-2015-8621?: Medium severity. CVSS v3 base score is 5.5 out of 10.