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CVE-2020-26977

Date: January 7, 2021

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2020-26977
https://bugzilla.mozilla.org/show_bug.cgi?id=1676311
https://security.alpinelinux.org/vuln/CVE-2020-26977
https://www.mozilla.org/security/advisories/mfsa2020-54/
https://www.mend.io/vulnerability-database/CVE-2020-26977

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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