CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
Percentile
51.3%
Firefox for Android suffered from a time-of-check-time-of-use vulnerability
that allowed a malicious application to read sensitive data from
application directories. Note: This issue is only affected Firefox for
Android. Other operating systems are unaffected. This vulnerability affects
Firefox < 86.
Author | Note |
---|---|
tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
bugzilla.mozilla.org/show_bug.cgi?id=1684761
launchpad.net/bugs/cve/CVE-2021-23977
nvd.nist.gov/vuln/detail/CVE-2021-23977
security-tracker.debian.org/tracker/CVE-2021-23977
www.cve.org/CVERecord?id=CVE-2021-23977
www.mozilla.org/en-US/security/advisories/mfsa2021-07/#CVE-2021-23977
www.mozilla.org/security/advisories/mfsa2021-07/
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
Percentile
51.3%