Open redirect in Zulip Server - CVE-2019-19775
Published: December 18, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU30541
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-19775
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Zulip
Affected software:
Zulip Server
Zulip Server
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The image thumbnailing handler in Zulip Server versions 1.9.0 to before 2.0.8 allowed an open redirect that was visible to logged-in users.
How to mitigate CVE-2019-19775
Install update from vendor's website.