CVE-2020-11704: An issue was discovered in ProVide (formerly zFTPServer) through 13.1

Q: How do I fix CVE-2020-11704?

provide ftp server: upgrade to newer than 13.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-11704 being exploited?

CVE-2020-11704 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-11704 affect?

CVE-2020-11704 affects provide ftp server. Severity is medium (CVSS 6.1). An issue was discovered in ProVide (formerly zFTPServer) through 13.1. The Admin Web Interface has Multiple Stored and Reflected XSS. GetInheritedProperties is Reflected via the groups parameter. GetUserInfo is Reflected via POST data. SetU

Q: How urgent is CVE-2020-11704?

Priority 39/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2020-11704 is a medium-severity flaw (CVSS 6.1) affecting provide ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in ProVide (formerly zFTPServer) through 13.1. The Admin Web Interface has Multiple Stored and Reflected XSS. GetInheritedProperties is Reflected via the groups parameter. GetUserInfo is Reflected via POST data. SetUserInfo is Stored via the general parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-04-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: provideserver

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-04-12 03:15 UTCPublished CVE record published
2026-06-17 02:50 UTCUpdated Record last modified

provideserver provide ftp server UPGRADE

Affected: <= 13.1

Fixed in: newer than 13.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy provide-ftp-server || rpm -q provide-ftp-server || provide-ftp-server --version

2. UPGRADE to newer than 13.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade provide-ftp-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade provide-ftp-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-11704?

provide ftp server: upgrade to newer than 13.1. Exact commands for each OS are on this page.

Is CVE-2020-11704 being exploited?

CVE-2020-11704 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-11704 affect?

CVE-2020-11704 affects provide ftp server. Severity is medium (CVSS 6.1). An issue was discovered in ProVide (formerly zFTPServer) through 13.1. The Admin Web Interface has Multiple Stored and Reflected XSS. GetInheritedProperties is Reflected via the groups parameter. GetUserInfo is Reflected via POST data. SetU

How urgent is CVE-2020-11704?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2020-11708 CRITICAL 9.8 UPGRADE An issue was discovered in ProVide (formerly zFTPServer) through 13.1
CVE-2020-11707 HIGH 8.8 UPGRADE An issue was discovered in ProVide (formerly zFTPServer) through 13.1
CVE-2020-11706 HIGH 8.8 UPGRADE An issue was discovered in ProVide (formerly zFTPServer) through 13.1
CVE-2020-11705 CRITICAL 9.8 UPGRADE An issue was discovered in ProVide (formerly zFTPServer) through 13.1
CVE-2020-11703 HIGH 7.5 UPGRADE An issue was discovered in ProVide (formerly zFTPServer) through 13.1

References

← Back to latest CVEs