CVE-2021-38492

EPSS 1.1%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

03 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1721107 https://security.gentoo.org/glsa/202208-14 https://www.mozilla.org/security/advisories/mfsa2021-38/https://www.mozilla.org/security/advisories/mfsa2021-39/https://www.mozilla.org/security/advisories/mfsa2021-40/https://www.mozilla.org/security/advisories/mfsa2021-41/https://www.mozilla.org/security/advisories/mfsa2021-42/