CVE-2015-6429

Severity

50%

Complexity

99%

Confidentiality

48%

The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote attackers to cause a denial of service (IPsec connection termination) via a crafted IKEv1 packet to a tunnel endpoint, aka Bug ID CSCuw08236.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

Cisco IOS

First reported 9 years ago

2015-12-19 14:59:00

Last updated 8 years ago

2016-12-07 18:20:00

Affected Software

Cisco IOS 15.4(3)S

15.4\(3\)s

Cisco IOS 15.5(1)S

15.5\(1\)s

Cisco IOS 15.5(1)T

15.5\(1\)t

Cisco IOS 15.5(2)s

15.5\(2\)s

Cisco IOS 15.5(2)T

15.5\(2\)t

Cisco IOS 15.5(3)M

15.5\(3\)m

Cisco IOS 15.5(3)m1

15.5\(3\)m1

Cisco IOS 15.5(3)S

15.5\(3\)s

Cisco IOS 15.5(3)s1

15.5\(3\)s1

Cisco IOS 15.6(0.17)t

15.6\(0.17\)t

Cisco IOS 15.6(1)t0a

15.6\(1\)t0a

Cisco IOS XE 3.15S.0

3.15s.0

Cisco IOS XE 3.15s.1

3.15s.1

Cisco IOS XE 3.15s.2

3.15s.2

Cisco IOS XE 3.16s.0

3.16s.0

Cisco IOS XE 3.16s.1

3.16s.1

Cisco IOS XE 3.17s.0

3.17s.0

Cisco IOS XE 3.17s.1

3.17s.1

References

20151218 Cisco IOS and IOS XE Software IKEv1 State Machine Denial of Service Vulnerability

Vendor Advisory

1034505

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