CVE-2020-15655

medium

Description

A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

References

Advisories
More

https://usn.ubuntu.com/4443-1/

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html

https://www.mozilla.org/security/advisories/mfsa2020-33/

https://www.mozilla.org/security/advisories/mfsa2020-32/

https://www.mozilla.org/security/advisories/mfsa2020-30/

https://bugzilla.mozilla.org/show_bug.cgi?id=1645204

Details

Source: Mitre, NVD

Published: 2020-08-10

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00215