CVE-2011-4040

Name: CVE-2011-4040
Creator: NVD / NIST
Published: 2011-11-21T11:55:03.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 65.68%

Last modified Jun 16, 2026

CVE-2011-4040 is a vulnerability of currently unknown severity. Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.. EPSS estimates a 65.68% chance of exploitation in the next 30 days.

Description

Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.

Metrics

EPSS Probability

65.68%

99.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Njstar	Njstar Communicator	3.0.11818

References

http://www.kb.cert.org/vuls/id/819630US Government Resource
http://www.kb.cert.org/vuls/id/819630US Government Resource

Timeline

Published: Nov 21, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4040?

Buffer overflow in MiniSmtp 3.0.11818 in NJStar Communicator allows remote attackers to execute arbitrary code via a crafted packet.

How severe is CVE-2011-4040?

Severity scoring for CVE-2011-4040 is pending analysis. The EPSS model estimates a 65.68% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4040?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4040?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST