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CVE-2021-23999

CVSS v3.1 8.8 (High)
88% Progress
CVSS v2.0 6.8 (Medium)
68% Progress
EPSS 0.34 % (72th)
0.34% Progress
Affected Products 3
Advisories 30
Info CVSS EPSS CAPEC Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.

Weaknesses
CWE-269
Improper Privilege Management
CWE-697
Incorrect Comparison
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2021-06-24 14:15:09
(3 years ago)
Updated Date
2022-04-26 15:31:31
(2 years ago)

Affected Products

Mozilla

Configuration #1

    CPE23 From Up To
  Mozilla Firefox prior 88.0 version cpe:2.3:a:mozilla:firefox < 88.0
  Mozilla Firefox Esr prior 78.10 version cpe:2.3:a:mozilla:firefox_esr < 78.10
  Mozilla Thunderbird prior 78.10 version cpe:2.3:a:mozilla:thunderbird < 78.10