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CVE-2010-20119

UNKNOWN
Published Unknown
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Expert Analysis

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No CVSS data available

Description

CommuniCrypt Mail versions up to and including 1.16 contains a stack-based buffer overflow vulnerability in its ANSMTP.dll and AOSMTP.dll ActiveX controls, specifically within the AddAttachments() method. This method fails to properly validate the length of input strings, allowing data to exceed the bounds of a fixed-size stack buffer. When invoked with an overly long string, the control can corrupt adjacent memory structures, including exception handlers, leading to potential control flow disruption.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

communicrypt software
communicrypt mail

ENISA Scoring

CVSS Score (4.0)

8.6
/10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS Score

0.090
probability

ENISA References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/communicrypt_mail_activex.rb
https://www.exploit-db.com/exploits/12663
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=24374
https://softwarelode.com/4185/details-communicrypt-mail.html
https://www.fortiguard.com/encyclopedia/ips/23099
https://www.vulncheck.com/advisories/communicrypt-mail-activex-control-buffer-overflow

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-mcx6-3vph-g228

Advisory Details

CommuniCrypt Mail versions up to and including 1.16 contains a stack-based buffer overflow vulnerability in its ANSMTP.dll and AOSMTP.dll ActiveX controls, specifically within the AddAttachments() method. This method fails to properly validate the length of input strings, allowing data to exceed the bounds of a fixed-size stack buffer. When invoked with an overly long string, the control can corrupt adjacent memory structures, including exception handlers, leading to potential control flow disruption.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2010-20119
WEB https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/communicrypt_mail_activex.rb
WEB https://softwarelode.com/4185/details-communicrypt-mail.html
WEB https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=24374
WEB https://www.exploit-db.com/exploits/12663
WEB https://www.fortiguard.com/encyclopedia/ips/23099
WEB https://www.vulncheck.com/advisories/communicrypt-mail-activex-control-buffer-overflow

Advisory provided by GitHub Security Advisory Database. Published: August 21, 2025, Modified: August 21, 2025

Published: Unknown
Last Modified: Unknown
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