Denial of Service Vulnerability in Cisco IOS and IOS XE
CVE-2016-6381

7.5HIGH

Key Information:

Vendor

Cisco
Status
Ios
Ios Xe
Ios Xe 3.3sg
Ios Xe 3.4sg
Vendor
CVE Published:
5 October 2016

What is CVE-2016-6381?

A vulnerability exists in Cisco IOS and IOS XE that allows remote attackers to exploit fragmented Internet Key Exchange version 1 (IKEv1) packets to cause a denial of service. This can result in increased memory consumption or device reload, disrupting network services. The affected versions include multiple releases of both Cisco IOS and IOS XE, making it essential for users to understand the risks and apply security patches as necessary.

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References

http://www.securitytracker.com/id/1036914
vdb-entryx_refsource_SECTRACK
http://tools.cisco.com/security/center/content/CiscoSecur...
vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/93195
vdb-entryx_refsource_BID

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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