Vulnerability DatabaseCVE-2020-12405
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CVE-2020-12405
July 09, 2020
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
Related Resources (9)
https://www.mozilla.org/security/advisories/mfsa2020-22/
https://www.mozilla.org/security/advisories/mfsa2020-20/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12405
https://usn.ubuntu.com/4421-1/
https://access.redhat.com/security/cve/CVE-2020-12405
https://security.alpinelinux.org/vuln/CVE-2020-12405
https://security-tracker.debian.org/tracker/CVE-2020-12405
https://www.mozilla.org/security/advisories/mfsa2020-21/
https://bugzilla.mozilla.org/show_bug.cgi?id=1631618
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CVSS v4
Base Score:
6
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
2.6
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Weakness Type (CWE)
Use After Free
CWE-416
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362
EPSS
Base Score:
0.66