Search/CVE-2017-5405
● CVE — Medium

CVE-2017-5405

Vendordebian, redhat, mozillaProductdebian linux, enterprise linux, enterprise linux server, enterprise linux server aus, enterprise linux desktop, enterprise linux workstation, enterprise linux server eus, firefox, thunderbirdDiscoveredJun 11, 2018UpdatedNov 25, 2025

Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

CVSS v3.1
5.3 MEDIUM
EPSS
2.54%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 22, 2026
▼ 0.09pp
2.63% → 2.54% over 11 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityLOW
IntegrityNONE
AvailabilityNONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Timeline
disclosure → media coverage
Jun 11, 2018
Disclosure — published as a CVE record. · last revised by NVD Nov 25, 2025