CVE-2025-5020

EPSS 0.05%
Published 21.05.2025 17:18:08
Last modified 13.06.2025 18:55:32
Source security@mozilla.org
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Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client This vulnerability affects Firefox for iOS < 139.

Affected products Warnungen 0 Metrics 2 CWE 1 References 5

Data is provided by the National Vulnerability Database (NVD)

Mozilla ≫ Firefox SwPlatformiphone_os Version < 139.0

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.05%	0.168

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0	4.3	2.8	1.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CWE-939 Improper Authorization in Handler for Custom URL Scheme

The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme.

https://bugzilla.mozilla.org/show_bug.cgi?id=1951558

Permissions Required

https://www.mozilla.org/security/advisories/mfsa2025-39/

Vendor Advisory

https://nvd.nist.gov/vuln/detail/CVE-2025-5020

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2025-5020

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2025-5020

EUVD