CVE-2009-1591

CRLF injection vulnerability in CGI RESCUE Web Mailer before 1.04 allows remote attackers to inject arbitrary HTTP headers, and conduct cross-site scripting (XSS) or HTTP response splitting attacks, via CRLF sequences in an unspecified web form.

Published: 2009-05-08 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-1591 is rated Low Risk (36.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.36%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2009-1591

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 2025-03-30 0.31% 0.36% +0.04%
2 2025-03-29 0.36% 0.31% -0.04%
3 2025-03-17 — 0.36% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1591

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-1591

Affected software / configurations for CVE-2009-1591

Vendor Product Version Raw CPE
cgi_rescue cgi_web_mailer <= 1.03 cpe:2.3:a:cgi_rescue:cgi_web_mailer:*:*:*:*:*:*:*:*

References for CVE-2009-1591

cvelogic Threat Intelligence