How severe is CVE-2009-1594?

CVE-2009-1594 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-1594 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1594?

CVE-2009-1594 primarily affects Armorlogic Profense Web Application Firewall. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1594?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-1594 published?

CVE-2009-1594 was published on 2009-05-21 and last updated on 2026-06-16.

CVE-2009-1594

CVE-2009-1594 is a high-severity vulnerability in Armorlogic Profense Web Application Firewall with a CVSS 2.0 base score of 7.5. 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Armorlogic Profense Web Application Firewall
Published: 2009-05-21
Last modified: 2026-06-16

Description

Armorlogic Profense Web Application Firewall before 2.2.22, and 2.4.x before 2.4.4, does not properly implement the "positive model," which allows remote attackers to bypass certain protection mechanisms via a %0A (encoded newline), as demonstrated by a %0A in a cross-site scripting (XSS) attack URL.

Frequently asked questions

What is CVE-2009-1594?: Armorlogic Profense Web Application Firewall before 2.2.22, and 2.4.x before 2.4.4, does not properly implement the "positive model," which allows remote attackers to bypass certain protection mechanisms via a %0A (encoded newline), as demonstrated by a %0A in a cross-site scripting (XSS) attack URL.
How severe is CVE-2009-1594?: CVE-2009-1594 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-1594 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1594?: CVE-2009-1594 primarily affects Armorlogic Profense Web Application Firewall. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1594?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-1594 published?: CVE-2009-1594 was published on 2009-05-21 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:armorlogic:profense_web_application_firewall:*:*:*:*:*:*:*:*
cpe:2.3:a:armorlogic:profense_web_application_firewall:2.4:*:*:*:*:*:*:*

More vulnerabilities in Armorlogic Profense Web Application Firewall

CVE-2009-1745 — Critical (CVSS 10.0): Armorlogic Profense Web Application Firewall before 2.2.22, and 2.4.x before 2.4.4, has a default root password hash,…
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CVE-2009-0467 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in proxy.html in Profense Web Application Firewall 2.6.2 and 2.6.3 allows…

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