CVE-2024-1549
CVE-2024-1549 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-17296
- Affected product: Mozilla Firefox
- Published:
- Last modified:
Description
If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
Frequently asked questions
- What is CVE-2024-1549?
- If a website set a large custom cursor, portions of the cursor could have overlapped with the permission dialog, potentially resulting in user confusion and unexpected granted permissions. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
- How severe is CVE-2024-1549?
- CVE-2024-1549 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2024-1549 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-1549?
- CVE-2024-1549 primarily affects Mozilla Firefox. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-1549?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-1549 have an EU (EUVD) identifier?
- Yes. CVE-2024-1549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17296.
- When was CVE-2024-1549 published?
- CVE-2024-1549 was published on 2024-02-20 and last updated on 2026-06-17.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1833814
- https://lists.debian.org/debian-lts-announce/2024/03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2024/03/msg00001.html
- https://www.mozilla.org/security/advisories/mfsa2024-05/
- https://www.mozilla.org/security/advisories/mfsa2024-06/
- https://www.mozilla.org/security/advisories/mfsa2024-07/
Affected products (4)
- cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
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