CVE-2010-20107Public exploit

Code execution via overlong FTP LIST filename

Published Aug 21, 2025 · Updated Jul 15, 2026

Stack-based buffer overflow in Liuxz Software FTP Synchronizer Professional 4.0.73.274 and earlier allows attackers to execute code. Its FTP directory-listing parser accepts an overlong filename from a LIST response into a stack buffer, overwriting the SEH record. Exploitation requires the client to connect to an attacker-controlled FTP server and request a listing during profile creation or sync preview.

CVSS severity8.5
High
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Liuxz Software FTP Synchronizer Professional 4.0.73.274 and earlier allows attackers to execute code. Its FTP directory-listing parser accepts an overlong filename from a LIST response into a stack buffer, overwriting the SEH record. Exploitation requires the client to connect to an attacker-controlled FTP server and request a listing during profile creation or sync preview.

The record

CVE
CVE-2010-20107
Published
Aug 21, 2025
Updated
Jul 15, 2026
Vendor
Liuxz Software
Product
FTP Synchronizer Professional
Classifications
CWE-121, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=4.0.73.274

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Liuxz Software · FTP Synchronizer Professionalversion=0 <=4.0.73.274

Published CVSS scores

8.5VulnCheckCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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