The "export" function in the Certificate Viewer can force local filesystem navigation when the "common name" in a certificate contains slas…

Published 8 y ago 2018-06-11 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.5

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.2%

percentile 69%

Public exploits

none known

The "export" function in the Certificate Viewer can force local filesystem navigation when the "common name" in a certificate contains slashes, allowing certificate content to be saved in unsafe locations with an arbitrary filename. This vulnerability affects Firefox < 51.

Exploit prediction (EPSS)

1.24% probability of exploitation in the next 30 days, higher than 69% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	7.5	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`
NVD	2.0	5.0	`AV:N/AC:L/Au:N/C:N/I:P/A:N`

Affected products

Mozilla Firefox

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

bugzilla.mozilla.org /show_bug.cgi?id=1017616 · x_refsource_CONFIRM, x_transferred
securitytracker.com /id/1037693 · vdb-entry, x_refsource_SECTRACK, x_transferred
mozilla.org /security/advisories/mfsa2017-01/ · x_refsource_CONFIRM, x_transferred
securityfocus.com /bid/95763 · vdb-entry, x_refsource_BID, x_transferred

Sources

CVE List: CVE-2017-5381
NVD: CVE-2017-5381

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