How severe is CVE-2009-1934?

CVE-2009-1934 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1934 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1934?

CVE-2009-1934 primarily affects Sun Java System Web Server. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1934?

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

When was CVE-2009-1934 published?

CVE-2009-1934 was published on 2009-06-05 and last updated on 2026-06-16.

CVE-2009-1934

CVE-2009-1934 is a medium-severity vulnerability in Sun Java System Web Server 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: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sun Java System Web Server
Published: 2009-06-05
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the Reverse Proxy Plug-in in Sun Java System Web Server 6.1 before SP11 allows remote attackers to inject arbitrary web script or HTML via the query string in situations that result in a 502 Gateway error.

Frequently asked questions

What is CVE-2009-1934?: Cross-site scripting (XSS) vulnerability in the Reverse Proxy Plug-in in Sun Java System Web Server 6.1 before SP11 allows remote attackers to inject arbitrary web script or HTML via the query string in situations that result in a 502 Gateway error.
How severe is CVE-2009-1934?: CVE-2009-1934 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1934 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1934?: CVE-2009-1934 primarily affects Sun Java System Web Server. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1934?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1934 published?: CVE-2009-1934 was published on 2009-06-05 and last updated on 2026-06-16.

References

Affected products (66)

cpe:2.3:a:sun:java_system_web_server:6.1:sp10:aix:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp4:aix:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp5:aix:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp6:aix:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp7:aix:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp8:aix:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp9:aix:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:*:aix:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp1:aix:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp2:aix:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp3:aix:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp10:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp4:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp5:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp6:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp7:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp8:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp9:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:*:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp1:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp2:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp3:hp_ux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp10:linux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp4:linux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp5:linux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp6:linux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp7:linux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp8:linux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp9:linux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:*:linux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp1:linux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp2:linux:*:*:*:*:*
cpe:2.3:a:sun:one_web_server:6.1:sp3:linux:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp10:windows:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp4:windows:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp5:windows:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp6:windows:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp7:windows:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp8:windows:*:*:*:*:*
cpe:2.3:a:sun:java_system_web_server:6.1:sp9:windows:*:*:*:*:*

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