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Case File

CVE-2020-15680

MEDIUM · CVSS 5.3 EPSS 0.95%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-10-22 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. It affects Firefox.

CVE
CVE-2020-15680
Severity
MEDIUM
CVSS
5.3
EPSS
0.95%
Firefox

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)