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CVE-2021-23982

Date: March 31, 2021

Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

Severity Score

Related Resources (12)

https://security.alpinelinux.org/vuln/CVE-2021-23982
https://security.gentoo.org/glsa/202104-09
https://nvd.nist.gov/vuln/detail/CVE-2021-23982
https://security-tracker.debian.org/tracker/CVE-2021-23982
https://bugzilla.mozilla.org/show_bug.cgi?id=1677046
https://access.redhat.com/security/cve/CVE-2021-23982
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-23982
https://security.gentoo.org/glsa/202104-10
https://www.mozilla.org/security/advisories/mfsa2021-11/
https://www.mozilla.org/security/advisories/mfsa2021-10/
https://www.mozilla.org/security/advisories/mfsa2021-12/
https://www.mend.io/vulnerability-database/CVE-2021-23982

Severity Score

Weakness Type (CWE)

Inadequate Encryption Strength

CWE-326

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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