CVE-2015-6366
First published: Fri Nov 13 2015(Updated: )
Cisco IOS 15.2(04)M6 and 15.4(03)S lets physical-interface ACLs supersede tunnel-interface ACLs, which allows remote attackers to bypass intended network-traffic restrictions in opportunistic circumstances by using a tunnel, aka Bug ID CSCur01042.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | =15.2\(4\)m6 | |
| Cisco IOS | =15.4\(3\)s |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2015-6366?
The severity of CVE-2015-6366 is considered to be high due to the potential for remote attackers to bypass network traffic restrictions.
How do I fix CVE-2015-6366?
To fix CVE-2015-6366, you should upgrade to a Cisco IOS version that is not affected, such as the latest recommended stable release.
What systems are affected by CVE-2015-6366?
CVE-2015-6366 affects Cisco IOS versions 15.2(04)M6 and 15.4(03)S.
What are the implications of CVE-2015-6366 for network security?
The implications of CVE-2015-6366 include the possibility for attackers to exploit tunneling techniques to evade access control lists, leading to unauthorized access.
Is there a workaround for CVE-2015-6366?
While upgrading is recommended, one potential workaround is to review and tighten existing ACL rules to mitigate the risk of exploitation.
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