CVE-2021-23961
Mozilla: More internal network hosts could have been probed by a malicious webpage
Severity Score
7.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 85.
Otras técnicas que se basaron en la investigación de slipstream combinada con una página web maliciosa podrían haber expuesto tanto los hosts de una red interna como los servicios que se ejecutan en la máquina local del usuario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 85
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-13 CVE Reserved
- 2021-02-01 CVE Published
- 2024-04-29 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://security.gentoo.org/glsa/202104-09 | 2022-05-27 | |
| https://security.gentoo.org/glsa/202104-10 | 2022-05-27 | |
| https://www.debian.org/security/2021/dsa-4895 | 2022-05-27 | |
| https://www.debian.org/security/2021/dsa-4897 | 2022-05-27 | |
| https://www.mozilla.org/security/advisories/mfsa2021-03 | 2022-05-27 | |
| https://access.redhat.com/security/cve/CVE-2021-23961 | 2021-04-26 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1951367 | 2021-04-26 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mozilla Search vendor "Mozilla" | Firefox Search vendor "Mozilla" for product "Firefox" | < 85.0 Search vendor "Mozilla" for product "Firefox" and version " < 85.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||