CVE-2011-1309

CVE-2011-1309 is a high-severity vulnerability in Ibm Websphere Application Server 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-20.

Key facts

Description

The Plug-in component in IBM WebSphere Application Server (WAS) before 7.0.0.15 does not properly handle trace requests, which has unspecified impact and attack vectors.

Frequently asked questions

What is CVE-2011-1309?
The Plug-in component in IBM WebSphere Application Server (WAS) before 7.0.0.15 does not properly handle trace requests, which has unspecified impact and attack vectors.
How severe is CVE-2011-1309?
CVE-2011-1309 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-1309 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1309?
CVE-2011-1309 primarily affects Ibm Websphere Application Server. In total, 139 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1309?
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-2011-1309 published?
CVE-2011-1309 was published on 2011-03-08 and last updated on 2026-06-16.

References

Affected products (139)

More vulnerabilities in Ibm Websphere Application Server

All CVEs affecting Ibm Websphere Application Server →

Other CWE-20 (Improper Input Validation) vulnerabilities

Browse all CWE-20 (Improper Input Validation) vulnerabilities →