CVE & CISA-KEV Catalog

CVE-2022-45415

HIGH
7.8
CVSS v3
NVD

Description

When downloading an HTML file, if the title of the page was formatted as a filename with a malicious extension, Firefox may have saved the file with that extension, leading to possible system compromise if the downloaded file was later ran. This vulnerability affects Firefox < 107.

How to fix

Remediation Available
firefoxDebian
Fixed in:107.0-1CVE-2022-45415
firefoxUbuntu
Fixed in:107.0+build2-0ubuntu0.18.04.1USN-5726-1
Fixed in:107.0+build2-0ubuntu0.20.04.1USN-5726-1
DeveloperEditionWindows application
Affected:107.0Fixed in:107.0Mozilla
Mozilla Firefox (en-US)Windows application
Affected:107.0Fixed in:107.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.23%probability of exploitation in 30 days
14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2017-12617High8.1100%KEVFix
CVE-2018-15961Critical9.8100%KEV-
CVE-2021-31207Medium6.6100%KEV + RansomFix
CVE-2017-12615High8.1100%KEV + Ransom-
CVE-2025-31324Critical10.099%KEV + Ransom-
CVE-2024-50623Critical9.899%KEV + RansomFix
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CVE-2022-45415 severity badge

Markdown

[![CVE-2022-45415](https://tridentstack.com/cve/badge/CVE-2022-45415.svg)](https://tridentstack.com/cve/CVE-2022-45415)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-45415"><img src="https://tridentstack.com/cve/badge/CVE-2022-45415.svg" alt="CVE-2022-45415"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-15.