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Vulnerability record · CVE-2011-1718 · published 27 April 2011

CVE-2011-1718: Broadcom siteminder improper input validation vulnerability

Broadcom · Siteminder

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.

4.3 CVSS 2.0 Medium EPSS 2.4% · top 16.3% CWE-20 · Improper input validation
4.3CVSS 2.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/44218 Vendor Advisory
http://securityreason.com/securityalert/8227
http://securitytracker.com/id?1025423
http://www.securityfocus.com/archive/1/517626/100/0/threaded
http://www.securityfocus.com/bid/47520
http://www.vupen.com/english/advisories/2011/1067 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66906
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=%7B1BF29B14-C5FB-4BD3-9113-68E2426E4381%7D
http://secunia.com/advisories/44218 Vendor Advisory
http://securityreason.com/securityalert/8227
http://securitytracker.com/id?1025423
http://www.securityfocus.com/archive/1/517626/100/0/threaded
http://www.securityfocus.com/bid/47520
http://www.vupen.com/english/advisories/2011/1067 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/66906
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=%7B1BF29B14-C5FB-4BD3-9113-68E2426E4381%7D

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2011-1718), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.