CVE-2011-4661
First published: Wed Feb 12 2020(Updated: )
A memory leak vulnerability exists in Cisco IOS before 15.2(1)T due to a memory leak in the HTTP PROXY Server process (aka CSCtu52820), when configured with Cisco ISR Web Security with Cisco ScanSafe and User Authenticaiton NTLM configured.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | <15.2\(1\)t |
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Reference Links
Frequently Asked Questions
What is CVE-2011-4661?
CVE-2011-4661 is a memory leak vulnerability in Cisco IOS before 15.2(1)T.
What is the severity of CVE-2011-4661?
The severity of CVE-2011-4661 is high with a CVSS score of 7.5.
How does CVE-2011-4661 affect Cisco IOS?
CVE-2011-4661 affects Cisco IOS versions before 15.2(1)T and can lead to memory leaks in the HTTP PROXY Server process.
How can I fix CVE-2011-4661?
To fix CVE-2011-4661, upgrade to Cisco IOS version 15.2(1)T or later.
Where can I find more information about CVE-2011-4661?
More information about CVE-2011-4661 can be found on the Cisco website at: https://www.cisco.com/c/en/us/td/docs/ios/15_2m_and_t/release/notes/15_2m_and_t/152-1TCAVS.html
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