CVE-2025-4159: A vulnerability was found in PCMan FTP Server up to 2.0.7

Q: How do I fix CVE-2025-4159?

ftp server: upgrade to newer than 2.0.7. Exact commands for each OS are on this page.

Q: Is CVE-2025-4159 being exploited?

CVE-2025-4159 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-2025-4159 affect?

CVE-2025-4159 affects ftp server. Severity is high (CVSS 7.3). A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component GLOB Command Handler. The manipulation leads to buffer overflow. The at

Q: How urgent is CVE-2025-4159?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.3REMOTEUPGRADE

CVE-2025-4159 is a high-severity flaw (CVSS 7.3) affecting ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component GLOB Command Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

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	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-119, CWE-120
Published	2025-05-01
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: pcman

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

Am I affected?

Timeline

2025-05-01 10:15 UTCPublished CVE record published
2026-06-17 09:32 UTCUpdated Record last modified

pcman ftp server UPGRADE

Affected: <= 2.0.7

Fixed in: newer than 2.0.7

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.0.7 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 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-2025-4159?

ftp server: upgrade to newer than 2.0.7. Exact commands for each OS are on this page.

Is CVE-2025-4159 being exploited?

CVE-2025-4159 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-2025-4159 affect?

CVE-2025-4159 affects ftp server. Severity is high (CVSS 7.3). A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component GLOB Command Handler. The manipulation leads to buffer overflow. The at

How urgent is CVE-2025-4159?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-6265 HIGH 8.8 UPGRADE Insecure preserved inherited permissions vulnerability in Cerberus FTP Server on Windows allows Privilege Esca
CVE-2025-5331 HIGH 7.3 DOWNGRADE A vulnerability has been found in PCMan FTP Server 2.0.7 and classified as critical
CVE-2025-5635 HIGH 7.3 DOWNGRADE A vulnerability classified as critical was found in PCMan FTP Server 2.0.7
CVE-2024-0731 MEDIUM 5.3 DOWNGRADE A vulnerability has been found in PCMan FTP Server 2.0.7 and classified as problematic
CVE-2024-0732 MEDIUM 5.3 DOWNGRADE A vulnerability was found in PCMan FTP Server 2.0.7 and classified as problematic

References

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