CVE-2020-15680 — Mozilla Firefox vulnerability
11 documents8 sources
Severity
5.3MEDIUMNVD
EPSS
0.3%
top 44.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 22
Latest updateMar 5
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4
Affected Packages5 packages
🔴Vulnerability Details
2GHSA▶
GHSA-rcq3-vgfc-jm9v: 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 o↗2022-05-24
OSV▶
CVE-2020-15680: 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 o↗2020-10-22