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CVE-2024-1554

Mozilla Firefox vulnerability

9.8 CRITICALEPSS 0.38%
  1. Published20 Feb 2024

Description

The `fetch()` API and navigation incorrectly shared the same cache, as the cache key did not include the optional headers `fetch()` may contain. Under the correct circumstances, an attacker may have been able to poison the local browser cache by priming it with a `fetch()` response controlled by the additional headers. Upon navigation to the same URL, the user would see the cached response instead of the expected response. This vulnerability affects Firefox < 123.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Mozilla Firefox< 123.0

Remediation

Fixed in
Mozilla Firefox≥ 123.0

Frequently asked

Is CVE-2024-1554 being actively exploited?

CVE-2024-1554 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.38%.

How severe is CVE-2024-1554?

CVE-2024-1554 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.38% probability of exploitation.

Which products are affected by CVE-2024-1554?

Affected products include Mozilla Firefox.

How do I fix CVE-2024-1554?

Upgrade affected software to a fixed version, for example Mozilla Firefox 123.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-1554 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.