Vulnerability Details : CVE-2021-23961
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.
Products affected by CVE-2021-23961
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23961
0.46%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23961
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
7.4
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N |
2.8
|
4.0
|
NIST |
References for CVE-2021-23961
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1677940
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html
Mailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html
[SECURITY] [DLA 2632-1] thunderbird security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4895
Debian -- Security Information -- DSA-4895-1 firefox-esrThird Party Advisory
-
https://security.gentoo.org/glsa/202104-10
Mozilla Firefox: Multiple vulnerabilities (GLSA 202104-10) — Gentoo securityThird Party Advisory
-
https://security.gentoo.org/glsa/202104-09
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202104-09) — Gentoo securityThird Party Advisory
-
https://www.debian.org/security/2021/dsa-4897
Third Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2021-03/
Security Vulnerabilities fixed in Firefox 85 — MozillaRelease Notes;Vendor Advisory
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