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CVE-2024-5692

18
FAUCET Score

CVE-2024-5692 describes a vulnerability in Firefox, Firefox ESR, and Thunderbird on Windows 10, where an attacker could bypass file extension restrictions during the "Save As" process by injecting an invalid character. This medium-severity vulnerability (CVSS 6.5) requires user interaction (UI:R) and could lead to high integrity impact (I:H) by allowing the saving of disallowed file types like .url. Currently, there is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage, suggesting a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 115.12CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
< 127.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 115.12CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0062 is in the 49th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2024-5692Moderate

Mozilla: Bypass of file name restrictions during saving

Jun 11, 2024

References

bugzilla.mozilla.org / show_bug.cgi
ExploitIssue Tracking
mozilla.org / security/advisories/mfsa2024-25
Vendor Advisory
mozilla.org / security/advisories/mfsa2024-26
Vendor Advisory
mozilla.org / security/advisories/mfsa2024-28
Vendor Advisory