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CVE-2012-5032

MEDIUM · CVSS 6.4EPSS 1.3%EU EUVD

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.

Key facts

CVSS score
6.4 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:P
Weakness (CWE)
CWE-287
EPSS score
1.3% (70th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-4956)
Published
April 23, 2014
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-4956 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / ios
  • cisco / ios
  • cisco / ios
  • cisco / ios

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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