CVE-2006-5313

Hastymail 1.5 and earlier before 20061008 allows remote authenticated users to send arbitrary SMTP commands by placing them after a CRLF.CRLF sequence in the smtp_message parameter. NOTE: this crosses privilege boundaries if the SMTP server configuration prevents a user from establishing a direct SMTP session. NOTE: this is a different type of issue than CVE-2006-5262.

Published: 2006-10-17 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-5313 is rated Moderate Risk (52.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.98%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-5313

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-06-05 0.95% 0.98% +0.04%
2 2025-03-30 0.97% 0.95% -0.02%
3 2025-03-29 — 0.97% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-5313

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2006-5313

OS Trackers for CVE-2006-5313

vendor priority summary link
alpine — CVE-2006-5313: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-5313

NVD evaluator notes for CVE-2006-5313

Solution: This vulnerability is addressed in the following product update: Hastymail, Hastymail, 1.5 (patch 2006-10-08)

Affected software / configurations for CVE-2006-5313

Vendor Product Version Raw CPE
hastymail hastymail <= 1.5 cpe:2.3:a:hastymail:hastymail:*:*:*:*:*:*:*:*
hastymail hastymail 1.0.1 cpe:2.3:a:hastymail:hastymail:1.0.1:*:*:*:*:*:*:*
hastymail hastymail 1.0.2 cpe:2.3:a:hastymail:hastymail:1.0.2:*:*:*:*:*:*:*
hastymail hastymail 1.1 cpe:2.3:a:hastymail:hastymail:1.1:*:*:*:*:*:*:*
hastymail hastymail 1.2 cpe:2.3:a:hastymail:hastymail:1.2:*:*:*:*:*:*:*

References for CVE-2006-5313

cvelogic Threat Intelligence