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CVE-2006-5313

18
FAUCET Score

CVE-2006-5313 describes a vulnerability in Hastymail versions 1.5 and earlier, allowing authenticated users to inject arbitrary SMTP commands. This is achieved by appending commands after a CRLF.CRLF sequence within the smtp_message parameter, potentially bypassing SMTP server restrictions. The vulnerability carries a CVSS score of 6.5, indicating a medium severity with network access, low attack complexity, and partial impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5CPE matchmatch criteria
cpe:2.3:a:hastymail:hastymail:*:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:hastymail:hastymail:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:hastymail:hastymail:1.0.2:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:hastymail:hastymail:1.1:*:*:*:*:*:*:*
1.2CPE matchmatch criteria
cpe:2.3:a:hastymail:hastymail:1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

AV:N/AC:L/Au:S/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
68.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0136 is in the 83rd percentile among its peer group of 21,951 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

hastymail.sourceforge.net / security.php
Patch
secunia.com / advisories/22308
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/29407
securityfocus.com / archive/1/453417/100/0/threaded
securityfocus.com / bid/20424
Patch
vupen.com / english/advisories/2006/3956
Vendor Advisory