What is CVE-2016-6190?

CVE-2016-6190 is a medium-severity vulnerability in Inverse-Inc Sogo, classified under Information Disclosure. CVSS score: 4.3/10. Published 2017-02-17.

How severe is CVE-2016-6190?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Inverse-Inc Sogo

CVE-2016-6190

SOGo before 2.3.12 and 3.x before 3.1.1 does not restrict access to the UID and DTSTAMP attributes, which allows remote authenticated users to obtain sensitive information about appointments with the "View the Date & Time" restriction, as demonstrated by correlating UIDs and DTSTAMPs between all users.

Vulnerability class: Information Disclosure

Published 2017-02-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Inverse-Inc Sogo — versions 3.0.0, 3.0.1, 3.0.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/inverse-inc/sogo/commit/875a4aca3218340fd4d3141950c82c2ff45b343d (Patch)
github.com/inverse-inc/sogo/commit/717f45f640a2866b76a8984139391fae64339225 (Patch)
sogo.nu/bugs/view.php (Vendor Advisory)
www.openwall.com/lists/oss-security/2016/07/09/3 (mailing-list, Mailing List, VDB Entry)

Frequently asked questions

What is CVE-2016-6190?: CVE-2016-6190 is a medium-severity vulnerability in Inverse-Inc Sogo, classified under Information Disclosure. CVSS score: 4.3/10. Published 2017-02-17.
How severe is CVE-2016-6190?: Medium severity. CVSS v3 base score is 4.3 out of 10.