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CVE-2020-15680

Date: October 22, 2020

If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-15680
https://bugzilla.mozilla.org/show_bug.cgi?id=1658881
https://www.mozilla.org/security/advisories/mfsa2020-45/
https://security.alpinelinux.org/vuln/CVE-2020-15680
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15680
https://www.mend.io/vulnerability-database/CVE-2020-15680

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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