CVE-2015-4293

Severity

50%

Complexity

99%

Confidentiality

48%

The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957.

The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957.

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 XE

First reported 9 years ago

2015-07-30 14:59:00

Last updated 9 years ago

2015-08-21 16:07:00

Affected Software

Cisco IOS XE 2.1.0

2.1.0

Cisco IOS XE 2.1.1

2.1.1

Cisco IOS XE 2.1.2

2.1.2

Cisco IOS XE 2.2.1

2.2.1

Cisco IOS XE 2.2.2

2.2.2

Cisco IOS XE 2.2.3

2.2.3

Cisco IOS XE 2.3.0

2.3.0

Cisco IOS XE 2.3.0t

2.3.0t

Cisco IOS XE 2.3.1t

2.3.1t

Cisco IOS XE 2.3.2

2.3.2

Cisco IOS XE 2.4.0

2.4.0

Cisco IOS XE 2.4.1

2.4.1

Cisco IOS XE 2.5.0

2.5.0

Cisco IOS XE 2.5.1

2.5.1

Cisco IOS XE 2.5.2

2.5.2

Cisco IOS XE 2.6.0

2.6.0

Cisco IOS XE 2.6.1

2.6.1

Cisco IOS XE 2.6.2

2.6.2

Cisco IOS XE 3.10S.0

3.10s.0

Cisco IOS XE Software 3.10S.0A

3.10s.0a

Cisco IOS XE 3.10S.1

3.10s.1

Cisco IOS XE 3.10S.2

3.10s.2

Cisco IOS XE 3.10S.3

3.10s.3

Cisco IOS XE 3.11S.0

3.11s.0

Cisco IOS XE 3.11S.1

3.11s.1

Cisco IOS XE 3.11S.2

3.11s.2

Cisco IOS XE 3.12S.0

3.12s.0

Cisco IOS XE 3.12S.1

3.12s.1

Cisco IOS XE 3.13S.0

3.13s.0

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