CVE-2019-25619: FTP Shell Server 6.83 contains a buffer overflow vulnerability in the 'Account name to ban' field that allows

Routine

HIGH 8.4DOWNGRADE

CVE-2019-25619 is a high-severity flaw (CVSS 8.4) affecting ftpshell server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FTP Shell Server 6.83 contains a buffer overflow vulnerability in the 'Account name to ban' field that allows local attackers to execute arbitrary code by supplying a crafted string. Attackers can inject shellcode through the account name parameter in the Manage FTP Accounts dialog to overwrite the return address and execute calc.exe or other commands.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-03-22
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: ftpshell

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

Am I affected?

Timeline

2026-03-22 14:16 UTCPublished CVE record published
2026-06-17 02:32 UTCUpdated Record last modified

ftpshell ftpshell server DOWNGRADE

Affected: 6.83

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.83

1. Check installed version

apt-cache policy ftpshell-server || rpm -q ftpshell-server || ftpshell-server --version

2. No fixed release: DOWNGRADE to a release before 6.83 (Debian / Ubuntu)

apt-cache madison ftpshell-server sudo apt install ftpshell-server=<VERSION_BEFORE_6.83> sudo apt-mark hold ftpshell-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ftpshell-server sudo dnf downgrade ftpshell-server-<VERSION_BEFORE_6.83> sudo dnf versionlock add ftpshell-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-25619?

ftpshell server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-25619 being exploited?

CVE-2019-25619 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-2019-25619 affect?

CVE-2019-25619 affects ftpshell server. Severity is high (CVSS 8.4). FTP Shell Server 6.83 contains a buffer overflow vulnerability in the 'Account name to ban' field that allows local attackers to execute arbitrary code by supplying a crafted string. Attackers can inject shellcode through the account name p

How urgent is CVE-2019-25619?

Priority 37/100. High severity; Public exploit reference

Related CVEs

CVE-2018-25226 MEDIUM 6.2 DOWNGRADE FTPShell Server 6.83 contains a buffer overflow vulnerability that allows local attackers to crash the applica

References

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