CVE Vulnerability

CVE-2020-26976

When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing. This vulnerability affects Firefox < 84.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2020-54/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1674343 Issue Tracking Permissions Required
https://www.debian.org/security/2021/dsa-4840 Third Party Advisory
https://security.gentoo.org/glsa/202102-02 Third Party Advisory
https://www.debian.org/security/2021/dsa-4842 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00001.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00002.html Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2021-01-07 02:15

Updated : 2021-02-15 01:11

NVD link : CVE-2020-26976

Mitre link : CVE-2020-26976

Products Affected
No products.
CWE
NVD-CWE-noinfo