CVE-2011-1718

CVE-2011-1718 is a medium-severity vulnerability in Broadcom Siteminder 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-20.

Key facts

Description

The Web Agents component in CA SiteMinder R6 before SP6 CR2 and R12 before SP3 CR2 does not properly handle multi-line headers, which allows remote authenticated users to conduct impersonation attacks and gain privileges via crafted data.

Frequently asked questions

What is CVE-2011-1718?
The Web Agents component in CA SiteMinder R6 before SP6 CR2 and R12 before SP3 CR2 does not properly handle multi-line headers, which allows remote authenticated users to conduct impersonation attacks and gain privileges via crafted data.
How severe is CVE-2011-1718?
CVE-2011-1718 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1718 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1718?
CVE-2011-1718 primarily affects Broadcom Siteminder. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1718?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1718 published?
CVE-2011-1718 was published on 2011-04-27 and last updated on 2026-06-16.

References

Affected products (2)

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