#VU39163 Information disclosure in Mailwise - CVE-2016-4842

Published: 2017-04-20 | Updated: 2020-08-08

Vulnerability identifier: #VU39163

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-4842

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mailwise
Mobile applications / Apps for mobile phones

Vendor: Cybozu

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Cybozu Mailwise before 5.4.0 allows remote attackers to obtain information on when an email is read.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Mailwise: 5.0.0 - 5.3.2

External links
https://jvn.jp/en/jp/JVN02576342/index.html
https://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000136.html
https://www.securityfocus.com/bid/92460
https://support.cybozu.com/ja-jp/article/9606

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.