How severe is CVE-2009-0120?

CVE-2009-0120 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2009-0120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0120?

CVE-2009-0120 affects Ibm Websphere Datapower Xml Security Gateway Xs40. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-0120?

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-2009-0120 published?

CVE-2009-0120 was published on 2009-01-15 and last updated on 2026-06-16.

CVE-2009-0120

CVE-2009-0120 is a high-severity vulnerability in Ibm Websphere Datapower Xml Security Gateway Xs40 with a CVSS 2.0 base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Websphere Datapower Xml Security Gateway Xs40
Published: 2009-01-15
Last modified: 2026-06-16

Description

The IBM WebSphere DataPower XML Security Gateway XS40 with firmware 3.6.1.5 allows remote attackers to cause a denial of service (device reboot) by sending data over an established SSL connection, as demonstrated by the abc\r\n\r\n string data.

Frequently asked questions

What is CVE-2009-0120?: The IBM WebSphere DataPower XML Security Gateway XS40 with firmware 3.6.1.5 allows remote attackers to cause a denial of service (device reboot) by sending data over an established SSL connection, as demonstrated by the abc\r\n\r\n string data.
How severe is CVE-2009-0120?: CVE-2009-0120 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2009-0120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0120?: CVE-2009-0120 affects Ibm Websphere Datapower Xml Security Gateway Xs40. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0120?: 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-2009-0120 published?: CVE-2009-0120 was published on 2009-01-15 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:ibm:websphere_datapower_xml_security_gateway_xs40:3.6.1.5:*:*:*:*:*:*:*

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