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CVE-2017-5427

A non-existent chrome.manifest file will attempt to be loaded during startup from the primary installation directory. If a malicious user…

Medium5.5EPSS 0.24%
Published
Updated
Reserved
Assigned by
mozilla

Description

A non-existent chrome.manifest file will attempt to be loaded during startup from the primary installation directory. If a malicious user with local access puts chrome.manifest and other referenced files in this directory, they will be loaded and activated during startup. This could result in malicious software being added without consent or modification of referenced installed files. This vulnerability affects Firefox < 52.

Scores

CVSS scores of CVE-2017-5427, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Medium5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS (exploitation in 30 days)
0.24% · top 85% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

References (4)

Sources

The same CVE in the primary databases and aggregators, to check against.

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CVE-2017-5427 badge
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Record last updated .