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CVE-2018-5165

19
FAUCET Score

CVE-2018-5165 describes a user interface vulnerability in 32-bit versions of Firefox prior to version 60, where the "Enable Adobe Flash protected mode" setting displayed the opposite of its true state, leading to user confusion. This medium-severity vulnerability (CVSS 5.3) could cause users to inadvertently disable Flash protections when attempting to enable them, potentially reducing security. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this issue.

Impacted Technologies

VendorProductVersion(s)CPE
< 60.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:x86:*
< 60CPE match
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 59th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

mozillapatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-5165Low

Mozilla: Checkbox for enabling Flash protected mode is inverted in 32-bit Firefox

May 9, 2018

References

bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingPatchVendor Advisory
mozilla.org / security/advisories/mfsa2018-11
Vendor Advisory
securityfocus.com / bid/104139
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040896
Third Party AdvisoryVDB Entry