MEDIUM
CVE-2017-5405
CWE-1187Published: June 11, 2018· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2017-5405 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (28)
→
http://rhn.redhat.com/errata/RHSA-2017-0459.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2017-0461.htmlThird Party Advisory
→
http://rhn.redhat.com/errata/RHSA-2017-0498.htmlThird Party Advisory
→
http://www.securityfocus.com/bid/96693Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1037966Third Party Advisory · VDB Entry
→
https://bugzilla.mozilla.org/show_bug.cgi?id=1336699Exploit · Issue Tracking · Vendor Advisory
→
https://security.gentoo.org/glsa/201705-06Third Party Advisory
→
https://security.gentoo.org/glsa/201705-07Third Party Advisory
→
https://www.debian.org/security/2017/dsa-3805Third Party Advisory
→
https://www.debian.org/security/2017/dsa-3832Third Party Advisory
→
https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
→
https://www.mozilla.org/security/advisories/mfsa2017-06/Vendor Advisory
→
https://www.mozilla.org/security/advisories/mfsa2017-07/Vendor Advisory
→
https://www.mozilla.org/security/advisories/mfsa2017-09/Vendor Advisory
→
http://rhn.redhat.com/errata/RHSA-2017-0459.htmlThird Party Advisory
Quick Facts
CVE IDCVE-2017-5405
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-1187
CISA KEVNo
Affected3 vendor(s)
PublishedJun 11, 2018
Related CVEs (CWE-1187)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-5405 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.