CVE-2020-11703: An issue was discovered in ProVide (formerly zFTPServer) through 13.1

Q: How do I fix CVE-2020-11703?

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

Q: Is CVE-2020-11703 being exploited?

CVE-2020-11703 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-2020-11703 affect?

CVE-2020-11703 affects provide ftp server. Severity is high (CVSS 7.5). An issue was discovered in ProVide (formerly zFTPServer) through 13.1. /ajax/GetInheritedProperties allows HTTP Response Splitting via the language parameter.

Q: How urgent is CVE-2020-11703?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2020-11703 is a high-severity flaw (CVSS 7.5) 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. /ajax/GetInheritedProperties allows HTTP Response Splitting via the language parameter.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-74
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-2020-11703?

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

Is CVE-2020-11703 being exploited?

CVE-2020-11703 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-2020-11703 affect?

CVE-2020-11703 affects provide ftp server. Severity is high (CVSS 7.5). An issue was discovered in ProVide (formerly zFTPServer) through 13.1. /ajax/GetInheritedProperties allows HTTP Response Splitting via the language parameter.

How urgent is CVE-2020-11703?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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-2020-11704 MEDIUM 6.1 UPGRADE An issue was discovered in ProVide (formerly zFTPServer) through 13.1

References

← Back to latest CVEs