CVE-2024-6611
CRITICALCVSS 9.8/10EPSS 0.66%
Last modified
CVE-2024-6611 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128 and Thunderbird < 128.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
Description
A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128 and Thunderbird < 128.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 128.0 |
| Mozilla | Thunderbird | < 128.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1844827Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-32/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1844827Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2024-29/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-32/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2024-6611?
A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. This vulnerability affects Firefox < 128 and Thunderbird < 128.
How severe is CVE-2024-6611?
CVE-2024-6611 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2024-6611?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2024-6611?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST