CVE-2020-8635

highpriority · track · 41EPSS 0.008 · 57 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.81% (57th) EPSS

CVSS 7.2 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on installation directories and configuration files. This allows local users to arbitrarily create FTP users with full privileges, and escalate privileges within the operating system by modifying system files.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

Al1ex/CVE-2020-8635Wing FTP Server 6.2.3 - Privilege EscalationPoC · poc_in_github

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
wftpserver wing ftp server= 6.2.3nvdUScpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-03-07modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

scry

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