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NVD / CVE Program· CNA mozilla

CVE-2017-5405: Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations.

MediumCVSS 5.3 · v3.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 2.5% (FIRST EPSS); higher than 85.2% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: firefox-esr (Debian:12) 45.8.0esr-1; firefox-esr (Debian:7) 45.8.0esr-1~deb7u1; icedove (Debian:7) 1:45.8.0-3~deb7u1.

Low priority for now. Upgrade to firefox-esr (Debian:12) 45.8.0esr-1; firefox-esr (Debian:7) 45.8.0esr-1~deb7u1; icedove (Debian:7) 1:45.8.0-3~deb7u1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

Published
Jun 11, 2018
Updated
Jun 16, 2026
EPSS
2.5% · 85th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.5%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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Follow CVE-2017-5405

When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
debiandebian linux
redhatenterprise linux
redhatenterprise linux desktop
redhatenterprise linux server
redhatenterprise linux server aus
redhatenterprise linux server eus
redhatenterprise linux workstation
mozillafirefox
mozillathunderbird

Versions reported by the vendor

Affected version ranges reported by the assigning authority (mozilla). Independent of NVD's CPE analysis and usually ahead of it.

  • Mozilla Firefox

    • unspecified and later · before 52affected
  • Mozilla Firefox ESR

    • unspecified and later · before 45.8affected
  • Mozilla Thunderbird

    • unspecified and later · before 52affected
    • unspecified and later · before 45.8affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12firefox-esrbefore 45.8.0esr-145.8.0esr-1
Debian:7firefox-esrbefore 45.8.0esr-1~deb7u145.8.0esr-1~deb7u1
Debian:7icedovebefore 1:45.8.0-3~deb7u11:45.8.0-3~deb7u1
Debian:8firefox-esrbefore 45.8.0esr-1~deb8u145.8.0esr-1~deb8u1
Debian:8icedovebefore 1:45.8.0-3~deb8u11:45.8.0-3~deb8u1
Red Hat:enterprise_linux:5::clientfirefoxbefore 0:45.8.0-2.el5_110:45.8.0-2.el5_11
Red Hat:enterprise_linux:5::clientfirefox-debuginfobefore 0:45.8.0-2.el5_110:45.8.0-2.el5_11
Red Hat:enterprise_linux:5::clientthunderbirdbefore 0:45.8.0-1.el5_110:45.8.0-1.el5_11
Red Hat:enterprise_linux:5::clientthunderbird-debuginfobefore 0:45.8.0-1.el5_110:45.8.0-1.el5_11
Red Hat:enterprise_linux:6::clientfirefoxbefore 0:45.8.0-2.el6_80:45.8.0-2.el6_8
Red Hat:enterprise_linux:6::clientfirefox-debuginfobefore 0:45.8.0-2.el6_80:45.8.0-2.el6_8
Red Hat:enterprise_linux:6::clientthunderbirdbefore 0:45.8.0-1.el6_80:45.8.0-1.el6_8
Red Hat:enterprise_linux:6::clientthunderbird-debuginfobefore 0:45.8.0-1.el6_80:45.8.0-1.el6_8
Red Hat:enterprise_linux:7::clientfirefoxbefore 0:52.0-4.el7_30:52.0-4.el7_3
Red Hat:enterprise_linux:7::clientfirefox-debuginfobefore 0:52.0-4.el7_30:52.0-4.el7_3
Red Hat:enterprise_linux:7::clientthunderbirdbefore 0:45.8.0-1.el7_30:45.8.0-1.el7_3
Red Hat:enterprise_linux:7::clientthunderbird-debuginfobefore 0:45.8.0-1.el7_30:45.8.0-1.el7_3
SUSE:Linux Enterprise Desktop 12 SP1MozillaFirefoxbefore 45.8.0esr-102.145.8.0esr-102.1
SUSE:Linux Enterprise Software Development Kit 11 SP4MozillaFirefoxbefore 45.8.0esr-68.145.8.0esr-68.1
SUSE:Package Hub 12MozillaThunderbirdbefore 45.8.0-27.145.8.0-27.1
SUSE:Package Hub 12MozillaThunderbirdbefore 52.1.0-30.152.1.0-30.1

Other highest-scoring records for the same primary product.

  • CVE-2016-9079A use-after-free vulnerability in SVG Animation has been discovered.KEV
    86Now
  • CVE-2024-44308The issue was addressed with improved checks.KEV
    68This week
  • CVE-2021-25216A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack
    64This week

Published before and after this one in the same product

  • ← EarlierCVE-2017-5402Jun 11, 2018 · A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working…
    40Plan
  • ← EarlierCVE-2017-5404Jun 11, 2018 · A use-after-free error can occur when manipulating ranges in selections with one node inside a native anonymous tree and one node outside…
    44Plan
  • Later →CVE-2017-5407Jun 11, 2018 · Using SVG filters that don't use the fixed point math implementation on a target iframe, a malicious page can extract pixel values from a…
    27Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:firefox-esr45.8.0esr-1 · Debian:12Package registry (OSV)
debian:icedove1:45.8.0-3~deb7u1 · Debian:7Package registry (OSV)
red hat:firefox0:45.8.0-2.el5_11 · Red Hat:enterprise_linux:5::clientPackage registry (OSV)
red hat:firefox-debuginfo0:45.8.0-2.el5_11 · Red Hat:enterprise_linux:5::clientPackage registry (OSV)
red hat:thunderbird0:45.8.0-1.el5_11 · Red Hat:enterprise_linux:5::clientPackage registry (OSV)
red hat:thunderbird-debuginfo0:45.8.0-1.el5_11 · Red Hat:enterprise_linux:5::clientPackage registry (OSV)
suse:MozillaFirefox45.8.0esr-102.1 · SUSE:Linux Enterprise Desktop 12 SP1Package registry (OSV)
suse:MozillaThunderbird45.8.0-27.1 · SUSE:Package Hub 12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

References

All records