What is CVE-2021-24001?

CVE-2021-24001 is a medium-severity vulnerability in Mozilla Firefox, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2021-06-24.

How severe is CVE-2021-24001?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Mozilla Firefox

CVE-2021-24001

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.

EPSS: 0.006 (43.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

security@mozilla.org (x_refsource_MISC, Release Notes, Vendor Advisory)
security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2021-24001?: CVE-2021-24001 is a medium-severity vulnerability in Mozilla Firefox, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2021-06-24.
How severe is CVE-2021-24001?: Medium severity. CVSS v3 base score is 4.3 out of 10.