#VU102418 Information disclosure in Deno - CVE-2025-21620
Published: January 7, 2025
Vulnerability identifier: #VU102418
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21620
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Deno
Deno
Software vendor:
Deno Land
Deno Land
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to fetch() function does not remove authorization headers when handling redirects between domains. A remote attacker can trick the application into requesting a URL that redirects to a third-party website and gain access to authorization data.
Remediation
Install updates from vendor's website.