SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-24001

This vulnerability affects Firefox < 88.

MEDIUM 4.3EPSS 0.57%

Does this matter?

Lower severity and a low EPSS score (0.57%). Track it; it rarely justifies an emergency change on its own.

Description

A compromised content process could have performed session history manipulations it should not have been able to due to testing infrastructure that was not restricted to testing-only configurations. This vulnerability affects Firefox < 88.

CVSS 3.1
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
0.57% probability · 45th percentile
CISA KEV
Not listed
Weakness
CWE-668
Affected
mozilla/firefox
Source
security@mozilla.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.