Auth bypass in Cybozu Office

CVE-2013-3656

Cybozu Office 9.1.0 and earlier does not properly manage sessions, which allows remote attackers to bypass authentication by leveraging knowledge of a login URL.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v2 metric

CVSS v2 base score 5.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.020 (79.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2013-3656: held from 0.020 to 0.020.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

References