Cyber Resilience

CVE-2024-7525

High

Published: 06 August 2024

Published
06 August 2024
Modified
12 August 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS Score 0.0014 33.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-7525 is a high-severity Incorrect Default Permissions (CWE-276) vulnerability in Mozilla Firefox Esr. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 33.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14,…

more

Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mozilla
firefox
≤ 129.0
mozilla
firefox esr
128.0 · ≤ 115.14.0
mozilla
thunderbird
128.0.1 · ≤ 115.14.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-284 CWE-276

The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.

addresses: CWE-276 CWE-284

Guides setting of default permissions to the minimum required level.

addresses: CWE-284 CWE-276

Defines roles, responsibilities, and access rules for configuration management activities, making improper access to configuration resources harder to exploit.

addresses: CWE-284 CWE-276

Baseline includes documented access control settings that are reviewed and maintained, reducing the ability to exploit improper access control.

addresses: CWE-276 CWE-284

Requiring the most restrictive settings instead of defaults prevents incorrect default permissions on resources.

addresses: CWE-284 CWE-276

Explicitly requires protecting the configuration management plan from unauthorized disclosure and modification.

addresses: CWE-284 CWE-276

The policy defines and enforces restrictions on physical access to resources, directly reducing improper access control.

addresses: CWE-276 CWE-284

Tailoring explicitly overrides or scopes default permission assignments in the baseline to match the system's actual risk and operational needs.

References