Cybozu Mailwise before 5.4.0 allows remote attackers to obtain information on when an email is read.
http://www.securityfocus.com/bid/92460
http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000136.html
http://jvn.jp/en/jp/JVN02576342/index.html
https://support.cybozu.com/ja-jp/article/9606
Source: Mitre, NVD
Published: 2017-04-20
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
Severity: Medium
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS: 0.00359