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CVE-2010-3494

MEDIUM · CVSS 4.3EPSS 2.3%EU EUVD

Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the accept function having an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-362
EPSS score
2.3% (83th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2010-0015)
Published
October 19, 2010
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-0015 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • g.rodola / pyftpdlib
  • g.rodola / pyftpdlib
  • g.rodola / pyftpdlib
  • g.rodola / pyftpdlib
  • g.rodola / pyftpdlib
  • g.rodola / pyftpdlib
  • g.rodola / pyftpdlib

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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