CVE-2024-0753

MEDIUM
Published Jan 23, 2024 Modified Jun 7, 2025

Description

In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Products

Vendor Product
mozilla firefox
mozilla firefox_esr
mozilla thunderbird
debian debian_linux

References

Frequently Asked Questions

What is CVE-2024-0753? +
In specific HSTS configurations an attacker could have bypassed HSTS on a subdomain. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2024-0753? +
CVE-2024-0753 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-0753? +
CVE-2024-0753 affects products from debian, mozilla, specifically: debian_linux, firefox, firefox_esr, thunderbird. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-0753? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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