CVE-2023-49060

Mozilla Firefox Mobile vulnerability

9.8 CRITICALEPSS 0.64%

Published21 Nov 2023

Description

An attacker could have accessed internal pages or data by ex-filtrating a security key from ReaderMode via the `referrerpolicy` attribute. This vulnerability affects Firefox for iOS < 120.

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 Mobile< 120.0

Remediation

Fixed in

Mozilla Firefox Mobile≥ 120.0

Patch & vendor advisories

https://www.mozilla.org/security/advisories/mfsa2023-51/

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1861405Issue TrackingNot Applicable
https://www.mozilla.org/security/advisories/mfsa2023-51/Release NotesVendor Advisory

Frequently asked

Is CVE-2023-49060 being actively exploited?

CVE-2023-49060 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.64%.

How severe is CVE-2023-49060?

CVE-2023-49060 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.64% probability of exploitation.

Which products are affected by CVE-2023-49060?

Affected products include Mozilla Firefox Mobile.

How do I fix CVE-2023-49060?

Upgrade affected software to a fixed version, for example Mozilla Firefox Mobile 120.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-49060 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.