Home/CVE/Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network'
CVE

CVE-2020-26978

Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network'

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 ESR < 78.6.

MEDIUM · CVSS 6.1 EPSS 0.00422
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
▤

Affected Products & Versions

3
mozilla firefox< 84.0
mozilla firefox esr< 78.6.0
mozilla thunderbird< 78.6.0
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Jan 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

26
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:10600-1
suse-csafopenSUSE-SU-2024:10601-1
usnUSN-4701-1
suse-csafopenSUSE-SU-2020:2324-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1677047Permissions Required
https://www.mozilla.org/security/advisories/mfsa2020-54/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-55/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-56/Vendor Advisory
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