A vulnerability, which was classified as critical, was found in PCMan FTP Server up to 2.0.7. Affected is an unknown function of the component RENAME Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
CVE-2025-4079
HIGHNVD 7.37.3—Elevated
EchelonGraph scoreMEDIUM confidence
Score 7.3 from GitHub Security Advisory published 2025-04-29. NVD baseline CVSS 7.3; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.3Exploit: Elevated riskExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.3
- EG Score
- 7.3(medium)
- EG Risk
- 64(Attend)EG Risk 64/100SSVC: Attend
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity73% × 45%Exploitation40% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- 1%
- EPSS %ILE
- 52%
- KEV
- Not listed
Published
April 29, 2025
Last Modified
May 12, 2025
References (4)
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Frequently asked(5)
What is CVE-2025-4079?
CVE-2025-4079 is a high vulnerability published on April 29, 2025. A vulnerability, which was classified as critical, was found in PCMan FTP Server up to 2.0.7. Affected is an unknown function of the component RENAME Command Handler. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the…
When was CVE-2025-4079 disclosed?
CVE-2025-4079 was first published in the National Vulnerability Database on April 29, 2025, with the most recent update on May 12, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-4079 actively exploited?
CVE-2025-4079 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 48.4% of all scored CVEs.
What is the CVSS score of CVE-2025-4079?
CVE-2025-4079 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2025-4079?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-4079, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-4079
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