CVE-2015-10003 — FileZilla Server PORT confused deputy

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MEDIUM

FileZilla Server PORT confused deputy

Published Jul 17, 2022

4.3

MEDIUM

CVSS 3.1

EPSS 0.54%

Description

A vulnerability, which was classified as problematic, was found in FileZilla Server up to 0.9.50. This affects an unknown part of the component PORT Handler. The manipulation leads to unintended intermediary. It is possible to initiate the attack remotely. Upgrading to version 0.9.51 is able to address this issue. It is recommended to upgrade the affected component.

Affected products

Vendor FileZilla Product Server Default
n/a
- Version
  0.9.0
  Status
  affected
  Constraints
  -
- Version
  0.9.1
  Status
  affected
  Constraints
  -
- Version
  0.9.10
  Status
  affected
  Constraints
  -
- Version
  0.9.11
  Status
  affected
  Constraints
  -
- Version
  0.9.12
  Status
  affected
  Constraints
  -
- Version
  0.9.13
  Status
  affected
  Constraints
  -
- Version
  0.9.14
  Status
  affected
  Constraints
  -
- Version
  0.9.15
  Status
  affected
  Constraints
  -
- Version
  0.9.16
  Status
  affected
  Constraints
  -
- Version
  0.9.17
  Status
  affected
  Constraints
  -
- Version
  0.9.18
  Status
  affected
  Constraints
  -
- Version
  0.9.19
  Status
  affected
  Constraints
  -
- Version
  0.9.2
  Status
  affected
  Constraints
  -
- Version
  0.9.20
  Status
  affected
  Constraints
  -
- Version
  0.9.21
  Status
  affected
  Constraints
  -
- Version
  0.9.22
  Status
  affected
  Constraints
  -
- Version
  0.9.23
  Status
  affected
  Constraints
  -
- Version
  0.9.24
  Status
  affected
  Constraints
  -
- Version
  0.9.25
  Status
  affected
  Constraints
  -
- Version
  0.9.26
  Status
  affected
  Constraints
  -
- Version
  0.9.27
  Status
  affected
  Constraints
  -
- Version
  0.9.28
  Status
  affected
  Constraints
  -
- Version
  0.9.29
  Status
  affected
  Constraints
  -
- Version
  0.9.3
  Status
  affected
  Constraints
  -
- Version
  0.9.30
  Status
  affected
  Constraints
  -
- Version
  0.9.31
  Status
  affected
  Constraints
  -
- Version
  0.9.32
  Status
  affected
  Constraints
  -
- Version
  0.9.33
  Status
  affected
  Constraints
  -
- Version
  0.9.34
  Status
  affected
  Constraints
  -
- Version
  0.9.35
  Status
  affected
  Constraints
  -
- Version
  0.9.36
  Status
  affected
  Constraints
  -
- Version
  0.9.37
  Status
  affected
  Constraints
  -
- Version
  0.9.38
  Status
  affected
  Constraints
  -
- Version
  0.9.39
  Status
  affected
  Constraints
  -
- Version
  0.9.4
  Status
  affected
  Constraints
  -
- Version
  0.9.40
  Status
  affected
  Constraints
  -
- Version
  0.9.41
  Status
  affected
  Constraints
  -
- Version
  0.9.42
  Status
  affected
  Constraints
  -
- Version
  0.9.43
  Status
  affected
  Constraints
  -
- Version
  0.9.44
  Status
  affected
  Constraints
  -
- Version
  0.9.45
  Status
  affected
  Constraints
  -
- Version
  0.9.46
  Status
  affected
  Constraints
  -
- Version
  0.9.47
  Status
  affected
  Constraints
  -
- Version
  0.9.48
  Status
  affected
  Constraints
  -
- Version
  0.9.49
  Status
  affected
  Constraints
  -
- Version
  0.9.5
  Status
  affected
  Constraints
  -
- Version
  0.9.50
  Status
  affected
  Constraints
  -
- Version
  0.9.6
  Status
  affected
  Constraints
  -
- Version
  0.9.7
  Status
  affected
  Constraints
  -
- Version
  0.9.8
  Status
  affected
  Constraints
  -
- Version
  0.9.9
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

FileZilla

Server

n/a

Version	Status	Constraints
0.9.0	affected	-
0.9.1	affected	-
0.9.10	affected	-
0.9.11	affected	-
0.9.12	affected	-
0.9.13	affected	-
0.9.14	affected	-
0.9.15	affected	-
0.9.16	affected	-
0.9.17	affected	-
0.9.18	affected	-
0.9.19	affected	-
0.9.2	affected	-
0.9.20	affected	-
0.9.21	affected	-
0.9.22	affected	-
0.9.23	affected	-
0.9.24	affected	-
0.9.25	affected	-
0.9.26	affected	-
0.9.27	affected	-
0.9.28	affected	-
0.9.29	affected	-
0.9.3	affected	-
0.9.30	affected	-
0.9.31	affected	-
0.9.32	affected	-
0.9.33	affected	-
0.9.34	affected	-
0.9.35	affected	-
0.9.36	affected	-
0.9.37	affected	-
0.9.38	affected	-
0.9.39	affected	-
0.9.4	affected	-
0.9.40	affected	-
0.9.41	affected	-
0.9.42	affected	-
0.9.43	affected	-
0.9.44	affected	-
0.9.45	affected	-
0.9.46	affected	-
0.9.47	affected	-
0.9.48	affected	-
0.9.49	affected	-
0.9.5	affected	-
0.9.50	affected	-
0.9.6	affected	-
0.9.7	affected	-
0.9.8	affected	-
0.9.9	affected	-

Remediation

No remediation recorded yet.

Metrics

0.54% 0.00543

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00543

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.54% (0.00543)	43.51th	v5 (v2026.06.15)
Jun 15, 2026	0.43% (0.00434)	34.43th	v5 (v2026.06.15)
Mar 17, 2025	0.06% (0.00062)	16.74th	v4 (v2025.03.14)
Dec 12, 2024	0.05% (0.00052)	22.24th	v3 (v2023.03.01)
May 3, 2024	0.05% (0.00052)	19.38th	v3 (v2023.03.01)
Jul 24, 2023	0.05% (0.00050)	17.36th	v3 (v2023.03.01)
Jun 17, 2023	0.05% (0.00047)	14.51th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00044)	8.39th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 22, 2023	0.89% (0.00885)	27.75th	v2 (v2022.01.01)
Jul 18, 2022	0.89% (0.00885)	25.69th	v2 (v2022.01.01)

Weaknesses (2)

CWE-441

CWE-610

References (2)

http://www.securitygalore.com/site3/filezilla_ftp_server_advisory
x_refsource_MISCPatchTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.97203
x_refsource_MISCThird Party Advisory

Link	Providers	Tags
http://www.securitygalore.com/site3/filezilla_ftp_server_advisory		x_refsource_MISCPatchTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.97203		x_refsource_MISCThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner VulDB

Published Jul 17, 2022

Updated Apr 15, 2025

Reserved Jul 16, 2022

Link CVE-2015-10003

CISA Vulnrichment

Updated Apr 14, 2025

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-10003

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-10003