How severe is CVE-2009-1591?

CVE-2009-1591 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1591?

CVE-2009-1591 affects Cgi Rescue Cgi Web Mailer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-1591 published?

CVE-2009-1591 was published on 2009-05-08 and last updated on 2026-06-16.

CVE-2009-1591

CVE-2009-1591 is a medium-severity vulnerability in Cgi Rescue Cgi Web Mailer with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cgi Rescue Cgi Web Mailer
Published: 2009-05-08
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2009-1591?: CVE-2009-1591 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1591?: CVE-2009-1591 affects Cgi Rescue Cgi Web Mailer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1591 published?: CVE-2009-1591 was published on 2009-05-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cgi_rescue:cgi_web_mailer:*:*:*:*:*:*:*:*

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