CVE-2021-23982
Firefox/Thunderbird WebRTC Host and Service Scanner Vulnerability
Description
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.
INFO
Published Date :
March 31, 2021, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 5:52 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-23982
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Upgrade Firefox to version 87.0 or later.
- Upgrade Firefox ESR to version 78.9 or later.
- Upgrade Thunderbird to version 78.9 or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-23982.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 | Issue Tracking Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-10/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-11/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-12/ | Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 | Issue Tracking Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-10/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-11/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2021-12/ | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-23982 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-23982
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-23982 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-23982 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 Added Reference https://www.mozilla.org/security/advisories/mfsa2021-10/ Added Reference https://www.mozilla.org/security/advisories/mfsa2021-11/ Added Reference https://www.mozilla.org/security/advisories/mfsa2021-12/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Aug. 06, 2021
Action Type Old Value New Value -
CVE Modified by [email protected]
Jun. 24, 2021
Action Type Old Value New Value Changed Description 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, Thunderbird < 78.9, and Firefox < 87. 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. Removed Reference https://security.gentoo.org/glsa/202104-09 [Third Party Advisory] Removed Reference https://security.gentoo.org/glsa/202104-10 [Third Party Advisory] -
Modified Analysis by [email protected]
Jun. 03, 2021
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202104-09 No Types Assigned https://security.gentoo.org/glsa/202104-09 Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202104-10 No Types Assigned https://security.gentoo.org/glsa/202104-10 Third Party Advisory -
CVE Modified by [email protected]
May. 01, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202104-09 [No Types Assigned] Added Reference https://security.gentoo.org/glsa/202104-10 [No Types Assigned] -
Initial Analysis by [email protected]
Apr. 05, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 Issue Tracking, Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2021-10/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2021-10/ Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2021-11/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2021-11/ Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2021-12/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2021-12/ Vendor Advisory Added CWE NIST CWE-326 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 87.0 *cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* versions up to (excluding) 78.9 *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions up to (excluding) 78.9
Vulnerability Scoring Details
Base CVSS Score: 6.5
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} -0.00%
score
0.42137
percentile