CVE-2020-26978
Medium
Published: 07 January 2021
Published
07 January 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score
0.0042
62.5th percentile
Risk Priority
12
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2020-26978 is a medium-severity an unspecified weakness vulnerability in Mozilla Firefox. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 37.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-19502
Vulnerability details
Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox…
more
ESR < 78.6.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 84.0
mozilla
firefox esr
≤ 78.6.0
mozilla
thunderbird
≤ 78.6.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.