CVE-2021-38492
When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and ex
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 92, 91.1, 78.14
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- Mozilla Firefox
fixed in 92
- Mozilla Thunderbird
fixed in 91.1; fixed in 78.14
- Mozilla Firefox ESR
fixed in 78.14; fixed in 91.1