CVE-2025-3029CWE-290

CVE-2025-3029

High · published April 1, 2025

CVSS v3.1
7.3
EPSS
0%
Percentile
27.2
In the wild
Unconfirmed
What it is

A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00348 · 27.2th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2025-04-01T17:15Z
Affected products (4)
ProductVersionsFixed in
mozilla/firefox< 128.9.0128.9.0
mozilla/firefox< 137.0137.0
mozilla/thunderbird< 128.9.0128.9.0
mozilla/thunderbird≥ 129.0, < 137.0137.0
References (6)
https://bugzilla.mozilla.org/show_bug.cgi?id=1952213 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-20/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-22/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-23/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-24/ · [email protected]https://lists.debian.org/debian-lts-announce/2025/04/msg00005.html · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 01 APR 12:28Z
    URL Bar Spoofing via non-BMP Unicode characters
    cvelistv5