What is CVE-2019-11737?

CVE-2019-11737 is a medium-severity vulnerability in Mozilla Firefox, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2019-09-27.

How severe is CVE-2019-11737?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Mozilla Firefox

CVE-2019-11737

If a wildcard ('*') is specified for the host in Content Security Policy (CSP) directives, any port or path restriction of the directive will be ignored, leading to CSP directives not being properly applied to content. This vulnerability affects Firefox < 69.

EPSS: 0.005 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

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

Frequently asked questions

What is CVE-2019-11737?: CVE-2019-11737 is a medium-severity vulnerability in Mozilla Firefox, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2019-09-27.
How severe is CVE-2019-11737?: Medium severity. CVSS v3 base score is 5.3 out of 10.