CVE-2021-23998

Summary

Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox ESRunspecified < 78.10affected
MozillaThunderbirdunspecified < 78.10affected
MozillaFirefoxunspecified < 88affected

Weaknesses

  • Secure Lock icon could have been spoofed

ADP Enrichment

CVE Program Container

Additional References

References