The Flex-VPN load-balancing feature in the ipsec-ikev2 implementation in Cisco IOS before 15.1(1)SY3 does not require authentication, which allows remote attackers to trigger the forwarding of VPN traffic to an attacker-controlled destination, or the discarding of this traffic, by arranging for an arbitrary device to become a cluster member, aka Bug ID CSCub93641.
Advisories
Source ID Title
EUVD EUVD EUVD-2012-4956 The Flex-VPN load-balancing feature in the ipsec-ikev2 implementation in Cisco IOS before 15.1(1)SY3 does not require authentication, which allows remote attackers to trigger the forwarding of VPN traffic to an attacker-controlled destination, or the discarding of this traffic, by arranging for an arbitrary device to become a cluster member, aka Bug ID CSCub93641.
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2024-08-06T20:50:18.349Z

Reserved: 2012-09-21T00:00:00

Link: CVE-2012-5032

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2014-04-23T11:52:59.167

Modified: 2025-04-12T10:46:40.837

Link: CVE-2012-5032

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses