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CVE-2010-20119

38
FAUCET Score

CVE-2010-20119 describes a stack-based buffer overflow in CommuniCrypt Mail versions up to 1.16, specifically within the AddAttachments() method of its ANSMTP.dll and AOSMTP.dll ActiveX controls. This vulnerability, rated 8.6 HIGH on CVSS, allows an unauthenticated attacker to execute arbitrary code by providing an overly long string, disrupting control flow. While there is a Metasploit module available for exploitation, the vulnerability is not listed in KEV, and there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
CommuniCrypt SoftwareCommuniCrypt Mail
>= 0, <= 1.16CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 4.0

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: CommuniCrypt Mail 1.16 SMTP ActiveX Stack Buffer Overflow · May 19, 2010
This CVE's current EPSS score of 0.0113 is in the 62nd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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