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Fencer Vulns
medium 6.5

CVE-2024-5692 json

On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed ex…

published 2024-06-11 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-46864

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as `.url` by including an invalid character in the extension. *Note:* This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

Patch / fix

  • Mozilla Firefox 127
  • Mozilla Firefox ESR 115.12
  • Mozilla Thunderbird 115.12
  • MozillaFirefox SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +12 more 115.13.0-150200.152.143.1
  • MozillaFirefox SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 115.13.0-112.218.1
  • MozillaThunderbird SLE Workstation Extension 15 SP6, SLE Workstation Extension 15 SP5, SLE Module for Package Hub 15 SP6 +3 more 115.12.0-150200.8.163.1
  • MozillaFirefox SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES for SAP 15 SP2 +12 more 115.12.0-150200.152.140.2
  • MozillaFirefox SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 115.12.0-112.215.1

suse advisories SUSE-SU-2024:2399-1SUSE-SU-2024:2371-1SUSE-SU-2024:2073-1SUSE-SU-2024:2061-1SUSE-SU-2024:2012-1

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaThunderbird openSUSE Tumbleweed 115.12.0-1.1
  • MozillaFirefox openSUSE Tumbleweed 127.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:14049-1openSUSE-SU-2024:14044-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-5692 updated cvss 6.1

Mozilla: Bypass of file name restrictions during saving

  • Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 firefox, thunderbird Red Hat Enterprise Linux 8 firefox, thunderbird Red Hat Enterprise Linux 9 firefox, firefox-x11, thunderbird
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1891234 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected products

  • Mozilla Firefox
  • Mozilla Firefox ESR
  • Mozilla Thunderbird

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.