Vulnerability identifier: #VU46086

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14194

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zulip Server
Web applications / Other software

Vendor: Zulip

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Zulip Server: 2.1.0 - 2.1.4

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External links
http://blog.zulip.com/2020/06/17/zulip-server-2-1-5-security-release/

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Q & A

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.