What is CVE-2015-3243?

CVE-2015-3243 is a medium-severity vulnerability in Rsyslog, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2017-07-25.

How severe is CVE-2015-3243?

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

Information disclosure in Rsyslog

CVE-2015-3243

rsyslog uses weak permissions for generating log files, which allows local users to obtain sensitive information by reading files in /var/log/cron.

Published 2017-07-25 · 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:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.6% 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

Rsyslog

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

www.securityfocus.com/bid/75298 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1032885 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2015/06/20/3 (mailing-list, Mailing List, VDB Entry)
bugzilla.redhat.com/show_bug.cgi (VDB Entry, Third Party Advisory, Issue Tracking)
www.openwall.com/lists/oss-security/2015/06/18/12 (mailing-list, Mailing List, VDB Entry)

Frequently asked questions

What is CVE-2015-3243?: CVE-2015-3243 is a medium-severity vulnerability in Rsyslog, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2017-07-25.
How severe is CVE-2015-3243?: Medium severity. CVSS v3 base score is 5.5 out of 10.