Security Resilience

CVE-2024-10941

Mozilla Firefox ≤ 126.0

Published
06 November 2024
Modified
10 February 2025
Patch / advisory
View advisory
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0043 36th percentile
Risk Priority 50 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2024-10941 is a medium-severity Improper Neutralization of Invalid Characters in Identifiers in Web Pages (CWE-86) vulnerability in Mozilla Firefox. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique LSA Secrets (T1003.004); ranked at the 36th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to SI-10 (Information Input Validation) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability Data

A malicious website could have included an iframe with an malformed URI resulting in a non-exploitable browser crash. This vulnerability affects Firefox < 126.

CWE(s)
NVD-CWE-OtherCWE-86

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003.004 LSA Secrets Credential Access
Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.
attack.mitre.org →
T1012 Query Registry Discovery
Adversaries may interact with the Windows Registry to gather information about the system, configuration, and installed software.
attack.mitre.org →
T1016 System Network Configuration Discovery Discovery
Adversaries may look for details about the network configuration and settings, such as IP and/or MAC addresses, of systems they access or through information discovery of remote systems.
attack.mitre.org →
T1021 Remote Services Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
attack.mitre.org →
T1021.001 Remote Desktop Protocol Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
attack.mitre.org →
T1021.006 Windows Remote Management Lateral Movement
Adversaries may use [Valid Accounts](https://attack.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2026-8389Same product: Mozilla Firefox
CVE-2026-10702Same product: Mozilla Firefox
CVE-2026-4698Same product: Mozilla Firefox
CVE-2026-4684Same product: Mozilla Firefox
CVE-2026-4690Same product: Mozilla Firefox
CVE-2026-4688Same product: Mozilla Firefox
CVE-2026-4691Same product: Mozilla Firefox
CVE-2026-4696Same product: Mozilla Firefox
CVE-2026-8390Same product: Mozilla Firefox
CVE-2024-0745Same product: Mozilla Firefox

Affected Assets

mozilla
firefox
≤ 126.0

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation partial match

Input validation directly stops invalid characters from being accepted in identifiers and tag/URI contexts.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match
blocks

Secure SDLC practices directly require proper input neutralization and validation to prevent identifier-handling flaws.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.22 Monitoring, review and change management of supplier services partial match
removes
A.7.9 Security of assets off-premises partial match
removes
A.8.19 Installation of software on operational systems partial match
removes
A.8.25 Secure development life cycle partial match
blocks

Secure development life cycle mandates input validation and sanitization that directly prevents improper neutralization of invalid characters in identifiers.

A.8.26 Application security requirements partial match
blocks

Application security requirements explicitly call for validation of all inputs including identifiers, mitigating this weakness.

A.8.28 Secure coding partial match
prevents

Secure coding standards require proper neutralization of invalid characters in tag names, URIs and identifiers, directly addressing CWE-86.

References