CVE-2021-23982

Published on: 03/31/2021 12:00:00 AM UTC

Last Modified on: 08/06/2021 06:19:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Certain versions of Firefox from Mozilla contain the following vulnerability:

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.

  • CVE-2021-23982 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Mozilla - Firefox ESR version < 78.9
  • Affected Vendor/Software: URL Logo Mozilla - Firefox version < 87
  • Affected Vendor/Software: URL Logo Mozilla - Thunderbird version < 78.9

CVSS3 Score: 6.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 4.3 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
Access Denied bugzilla.mozilla.org
text/html
URL Logo MISC bugzilla.mozilla.org/show_bug.cgi?id=1677046
Mozilla Firefox: Multiple vulnerabilities (GLSA 202104-10) — Gentoo security security.gentoo.org
text/html
URL Logo GENTOO GLSA-202104-10
Security Vulnerabilities fixed in Thunderbird 78.9 — Mozilla www.mozilla.org
text/html
URL Logo MISC www.mozilla.org/security/advisories/mfsa2021-12/
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202104-09) — Gentoo security security.gentoo.org
text/html
URL Logo GENTOO GLSA-202104-09
Security Vulnerabilities fixed in Firefox 87 — Mozilla www.mozilla.org
text/html
URL Logo MISC www.mozilla.org/security/advisories/mfsa2021-10/
Security Vulnerabilities fixed in Firefox ESR 78.9 — Mozilla www.mozilla.org
text/html
URL Logo MISC www.mozilla.org/security/advisories/mfsa2021-11/

Related QID Numbers

  • 159123 Oracle Enterprise Linux Security Update for firefox (ELSA-2021-0990)
  • 159124 Oracle Enterprise Linux Security Update for firefox (ELSA-2021-0992)
  • 159125 Oracle Enterprise Linux Security Update for thunderbird (ELSA-2021-0993)
  • 159126 Oracle Enterprise Linux Security Update for thunderbird (ELSA-2021-0996)
  • 174866 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:0966-1)
  • 174909 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:0999-1)
  • 174913 SUSE Enterprise Linux Security Update for MozillaFirefox (SUSE-SU-2021:1007-1)
  • 178504 Debian Security Update for firefox-esr (DLA 2607-1)
  • 178506 Debian Security Update for thunderbird (DLA 2609-1)
  • 178514 Debian Security Update for thunderbird (DSA 4876-1)
  • 178521 Debian Security Update for firefox-esr (DSA 4874-1)
  • 179806 Debian Security Update for firefox-esrthunderbird (CVE-2021-23982)
  • 198311 Ubuntu Security Notification for Firefox Vulnerabilities (USN-4893-1)
  • 198415 Ubuntu Security Notification for Thunderbird vulnerabilities (USN-4995-1)
  • 198424 Ubuntu Security Notification for Thunderbird vulnerabilities (USN-4995-2)
  • 239187 Red Hat Update for thunderbird (RHSA-2021:0996)
  • 239188 Red Hat Update for thunderbird (RHSA-2021:0995)
  • 239189 Red Hat Update for thunderbird (RHSA-2021:0994)
  • 239190 Red Hat Update for thunderbird (RHSA-2021:0993)
  • 239191 Red Hat Update for firefox (RHSA-2021:0992)
  • 239192 Red Hat Update for firefox (RHSA-2021:0991)
  • 239193 Red Hat Update for firefox (RHSA-2021:0990)
  • 239194 Red Hat Update for firefox (RHSA-2021:0989)
  • 257071 CentOS Security Update for firefox (CESA-2021:0992)
  • 257072 CentOS Security Update for thunderbird (CESA-2021:0996)
  • 352266 Amazon Linux Security Advisory for thunderbird: ALAS2-2021-1632
  • 352272 Amazon Linux Security Advisory for thunderbird: ALAS2-2021-1632
  • 375408 Mozilla Firefox Multiple Vulnerabilities (MFSA2021-10)
  • 375409 Mozilla Firefox ESR Multiple Vulnerabilities (MFSA2021-11)
  • 375412 Mozilla Thunderbird Multiple Vulnerabilities (MFSA2021-12)
  • 500942 Alpine Linux Security Update for firefox-esr
  • 501555 Alpine Linux Security Update for firefox
  • 502379 Alpine Linux Security Update for thunderbird
  • 630668 Mozilla Firefox for Android and iOS Multiple Vulnerabilities (MFSA2021-10)
  • 710019 Gentoo Linux Mozilla Thunderbird Multiple Vulnerabilities (GLSA 202104-09)
  • 710020 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202104-10)
  • 750260 OpenSUSE Security Update for MozillaThunderbird (openSUSE-SU-2021:0580-1)
  • 750288 OpenSUSE Security Update for MozillaFirefox (openSUSE-SU-2021:0487-1)
  • 940138 AlmaLinux Security Update for thunderbird (ALSA-2021:0993)
  • 940159 AlmaLinux Security Update for firefox (ALSA-2021:0990)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMozillaFirefoxAllAllAllAll
ApplicationMozillaFirefox EsrAllAllAllAll
ApplicationMozillaThunderbirdAllAllAllAll
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
© CVE.report 2022 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report