CVE-2021-23982

EPSS 0.7%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

31 Mar 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1677046 https://www.mozilla.org/security/advisories/mfsa2021-10/https://www.mozilla.org/security/advisories/mfsa2021-11/https://www.mozilla.org/security/advisories/mfsa2021-12/