MEDIUM
CVE-2011-1718
CWE-20Published: April 27, 2011· Updated: Jun 16, 2026
4.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2011-1718 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:N/AC:M/Au:N/C:N/I:P/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (16)
→
http://secunia.com/advisories/44218Vendor Advisory
→
http://www.vupen.com/english/advisories/2011/1067Vendor Advisory
→
http://secunia.com/advisories/44218Vendor Advisory
→
http://www.vupen.com/english/advisories/2011/1067Vendor Advisory
Quick Facts
CVE IDCVE-2011-1718
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-20
CISA KEVNo
Affected2 vendor(s)
PublishedApr 27, 2011
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-1718 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.