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Cisco IOS and IOS XE Software Internet Key Exchange Denial of Service Vulnerability

cisco-sa-20170927-ike · High · Published · Updated

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to how an affected device processes certain IKEv2 packets. An attacker could exploit this vulnerability by sending specific IKEv2 packets to an affected device to be processed. A successful exploit could allow the attacker to cause high CPU utilization, traceback messages, or a reload of the affected device that leads to a DoS condition. Cisco has released software updates that address this vulnerability. There is a workaround that addresses this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-ike This advisory is part of the September 27, 2017, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 12 Cisco Security Advisories that describe 13 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: September 2017 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.

Cisco advisory · CSAF JSON

Workarounds

If the software release on the device supports the crypto ikev2 limit queue sa-init configuration command (see Cisco bug CSCvc12306 ["https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvc12306"]), using this command is equivalent to performing an upgrade to a fixed release. Otherwise, there are no workarounds that address this vulnerability.

CVEsCVE-2017-12237
Cisco Bug IDsCSCvc41277
CVSS ScoreBase 8.6
Base 8.6 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco IOS 15.2(2)S, Cisco IOS 15.2(4)S, Cisco IOS 15.2(2)S1, Cisco IOS 15.2(2)S2, Cisco IOS 15.2(2)S0a, Cisco IOS 15.2(2)S0c, Cisco IOS 15.2(2)S0d, Cisco IOS 15.2(4)S1, Cisco IOS 15.2(4)S4, Cisco IOS 15.2(4)S6, Cisco IOS 15.2(4)S2, Cisco IOS 15.2(4)S5, Cisco IOS 15.2(4)S3, Cisco IOS 15.2(4)S0c, Cisco IOS 15.2(4)S1c, Cisco IOS 15.2(4)S3a, Cisco IOS 15.2(4)S4a, Cisco IOS 15.2(4)S7, Cisco IOS 15.2(4)S8, Cisco IOS 15.3(1)T, Cisco IOS 15.3(2)T, Cisco IOS 15.3(1)T1, Cisco IOS 15.3(1)T2, Cisco IOS 15.3(1)T3, Cisco IOS 15.3(1)T4, Cisco IOS 15.3(2)T1, Cisco IOS 15.3(2)T2, Cisco IOS 15.3(2)T3, Cisco IOS 15.3(2)T4, Cisco IOS 15.0(2)SE1, Cisco IOS 15.0(2)SE2, Cisco IOS 15.0(2)SE3, Cisco IOS 15.0(2)SE4, Cisco IOS 15.0(2)SE5, Cisco IOS 15.0(2)SE6, Cisco IOS 15.0(2)SE7, Cisco IOS 15.0(2)SE8, Cisco IOS 15.0(2)SE9, Cisco IOS 15.0(2a)SE9, Cisco IOS 15.0(2)SE10, Cisco IOS 15.0(2)SE11, Cisco IOS 15.0(2)SE10a, Cisco IOS 15.0(2)SE12, Cisco IOS 15.0(2)SE13, Cisco IOS 15.0(2)SE13a, Cisco IOS 15.0(2)SE13b, Cisco IOS 15.0(2)SE13c, Cisco IOS 15.0(2)SE13d, Cisco IOS 15.2(4)M, Cisco IOS 15.2(4)M1, Cisco IOS 15.2(4)M2, Cisco IOS 15.2(4)M4, Cisco IOS 15.2(4)M3, Cisco IOS 15.2(4)M5, Cisco IOS 15.2(4)M8, Cisco IOS 15.2(4)M10, Cisco IOS 15.2(4)M7, Cisco IOS 15.2(4)M6, Cisco IOS 15.2(4)M9, Cisco IOS 15.2(4)M6b, Cisco IOS 15.2(4)M6a, Cisco IOS 15.2(4)M11, Cisco IOS 15.0(2)EX, Cisco IOS 15.0(2)EX1, Cisco IOS 15.0(2)EX2, Cisco IOS 15.0(2)EX3, Cisco IOS 15.0(2)EX4, Cisco IOS 15.0(2)EX5, Cisco IOS 15.0(2)EX6, Cisco IOS 15.0(2)EX7, Cisco IOS 15.0(2)EX8, Cisco IOS 15.0(2a)EX5, Cisco IOS 15.0(2)EX10, Cisco IOS 15.0(2)EX11, Cisco IOS 15.0(2)EX13, Cisco IOS 15.0(2)EX12, Cisco IOS 15.2(2)GC, Cisco IOS 15.2(3)GC, Cisco IOS 15.2(3)GC1, Cisco IOS 15.2(4)GC, Cisco IOS 15.2(4)GC1, Cisco IOS 15.2(4)GC2, Cisco IOS 15.2(4)GC3, Cisco IOS 15.1(1)SY, Cisco IOS 15.1(1)SY1, Cisco IOS 15.1(2)SY, Cisco IOS 15.1(2)SY1, Cisco IOS 15.1(2)SY2, Cisco IOS 15.1(1)SY2, Cisco IOS 15.1(1)SY3, Cisco IOS 15.1(2)SY3, Cisco IOS 15.1(1)SY4, Cisco IOS 15.1(2)SY4, Cisco IOS 15.1(1)SY5, Cisco IOS 15.1(2)SY5, Cisco IOS 15.1(2)SY4a, Cisco IOS 15.1(1)SY6, Cisco IOS 15.1(2)SY6, Cisco IOS 15.1(2)SY7, Cisco IOS 15.1(2)SY8, Cisco IOS 15.1(2)SY9, Cisco IOS 15.1(2)SY10, Cisco IOS 15.3(1)S, Cisco IOS 15.3(2)S, Cisco IOS 15.3(3)S, Cisco IOS 15.3(1)S2, Cisco IOS 15.3(1)S1, Cisco IOS 15.3(2)S2, Cisco IOS 15.3(2)S1, Cisco IOS 15.3(1)S1e, Cisco IOS 15.3(3)S1, Cisco IOS 15.3(3)S2, Cisco IOS 15.3(3)S3, Cisco IOS 15.3(3)S6, Cisco IOS 15.3(3)S4, Cisco IOS 15.3(3)S1a, Cisco IOS 15.3(3)S5, Cisco IOS 15.3(3)S2a, Cisco IOS 15.3(3)S7, Cisco IOS 15.3(3)S8, Cisco IOS 15.3(3)S6a, Cisco IOS 15.3(3)S9, Cisco IOS 15.3(3)S8a, Cisco IOS 15.4(1)T, Cisco IOS 15.4(2)T, Cisco IOS 15.4(1)T2, Cisco IOS 15.4(1)T1, Cisco IOS 15.4(1)T3, Cisco IOS 15.4(2)T1, Cisco IOS 15.4(2)T3, Cisco IOS 15.4(2)T2, Cisco IOS 15.4(1)T4, Cisco IOS 15.4(2)T4, Cisco IOS 15.2(1)E, Cisco IOS 15.2(2)E, Cisco IOS 15.2(1)E1, Cisco IOS 15.2(3)E, Cisco IOS 15.2(1)E2, Cisco IOS 15.2(1)E3, Cisco IOS 15.2(2)E1, Cisco IOS 15.2(2b)E, Cisco IOS 15.2(4)E, Cisco IOS 15.2(3)E1, Cisco IOS 15.2(2)E2, Cisco IOS 15.2(2a)E1, Cisco IOS 15.2(2)E3, Cisco IOS 15.2(2a)E2, Cisco IOS 15.2(3)E2, Cisco IOS 15.2(3a)E, Cisco IOS 15.2(3)E3, Cisco IOS 15.2(3m)E2, Cisco IOS 15.2(4)E1, Cisco IOS 15.2(2)E4, Cisco IOS 15.2(2)E5, Cisco IOS 15.2(4)E2, Cisco IOS 15.2(4m)E1, Cisco IOS 15.2(3)E4, Cisco IOS 15.2(5)E, Cisco IOS 15.2(3m)E7, Cisco IOS 15.2(4)E3, Cisco IOS 15.2(2)E6, Cisco IOS 15.2(5a)E, Cisco IOS 15.2(5)E1, Cisco IOS 15.2(5b)E, Cisco IOS 15.2(4m)E3, Cisco IOS 15.2(3m)E8, Cisco IOS 15.2(2)E5a, Cisco IOS 15.2(5c)E, Cisco IOS 15.2(2)E5b, Cisco IOS 15.2(4n)E2, Cisco IOS 15.2(4o)E2, Cisco IOS 15.2(5a)E1, Cisco IOS 15.2(4)E4, Cisco IOS 15.2(5)E2, Cisco IOS 15.2(4p)E1, Cisco IOS 15.2(5)E2c, Cisco IOS 15.2(4m)E2, Cisco IOS 15.2(4o)E3, Cisco IOS 15.2(4q)E1, Cisco IOS 15.2(4s)E1, Cisco IOS 15.2(4s)E2, Cisco IOS 15.4(1)S, Cisco IOS 15.4(2)S, Cisco IOS 15.4(3)S, Cisco IOS 15.4(1)S1, Cisco IOS 15.4(1)S2, Cisco IOS 15.4(2)S1, Cisco IOS 15.4(1)S3, Cisco IOS 15.4(3)S1, Cisco IOS 15.4(2)S2, Cisco IOS 15.4(3)S2, Cisco IOS 15.4(3)S3, Cisco IOS 15.4(1)S4, Cisco IOS 15.4(2)S3, Cisco IOS 15.4(2)S4, Cisco IOS 15.4(3)S0d, Cisco IOS 15.4(3)S4, Cisco IOS 15.4(3)S0e, Cisco IOS 15.4(3)S5, Cisco IOS 15.4(3)S0f, Cisco IOS 15.4(3)S6, Cisco IOS 15.4(3)S7, Cisco IOS 15.4(3)S6a, Cisco IOS 15.3(3)M, Cisco IOS 15.3(3)M1, Cisco IOS 15.3(3)M2, Cisco IOS 15.3(3)M3, Cisco IOS 15.3(3)M5, Cisco IOS 15.3(3)M4, Cisco IOS 15.3(3)M6, Cisco IOS 15.3(3)M7, Cisco IOS 15.3(3)M8, Cisco IOS 15.3(3)M9, Cisco IOS 15.3(3)M8a, Cisco IOS 15.2(4)JN, Cisco IOS 15.0(2)EZ, Cisco IOS 15.2(2)SC, Cisco IOS 15.2(2)SC1, Cisco IOS 15.2(2)SC3, Cisco IOS 15.2(2)SC4, Cisco IOS 15.2(1)EY, Cisco IOS 15.0(2)EJ, Cisco IOS 15.0(2)EJ1, Cisco IOS 15.2(1)SY, Cisco IOS 15.2(1)SY1, Cisco IOS 15.2(1)SY0a, Cisco IOS 15.2(1)SY2, Cisco IOS 15.2(2)SY, Cisco IOS 15.2(1)SY1a, Cisco IOS 15.2(2)SY1, Cisco IOS 15.2(2)SY2, Cisco IOS 15.2(1)SY3, Cisco IOS 15.2(1)SY4, Cisco IOS 15.2(2)SY3, Cisco IOS 15.4(3)M, Cisco IOS 15.4(3)M1, Cisco IOS 15.4(3)M2, Cisco IOS 15.4(3)M3, Cisco IOS 15.4(3)M4, Cisco IOS 15.4(3)M5, Cisco IOS 15.4(3)M6, Cisco IOS 15.4(3)M7, Cisco IOS 15.4(3)M6a, Cisco IOS 15.4(3)M7a, Cisco IOS 15.2(4)JAZ1, Cisco IOS 15.3(3)XB12, Cisco IOS 15.4(1)CG, Cisco IOS 15.4(1)CG1, Cisco IOS 15.4(2)CG, Cisco IOS 15.5(1)S, Cisco IOS 15.5(2)S, Cisco IOS 15.5(1)S1, Cisco IOS 15.5(3)S, Cisco IOS 15.5(1)S2, Cisco IOS 15.5(1)S3, Cisco IOS 15.5(2)S1, Cisco IOS 15.5(2)S2, Cisco IOS 15.5(3)S1, Cisco IOS 15.5(3)S1a, Cisco IOS 15.5(2)S3, Cisco IOS 15.5(3)S2, Cisco IOS 15.5(3)S0a, Cisco IOS 15.5(3)S3, Cisco IOS 15.5(1)S4, Cisco IOS 15.5(2)S4, Cisco IOS 15.5(3)S4, Cisco IOS 15.5(3)S5, Cisco IOS 15.2(2)EB, Cisco IOS 15.2(2)EB1, Cisco IOS 15.2(2)EB2, Cisco IOS 15.5(1)T, Cisco IOS 15.5(1)T1, Cisco IOS 15.5(2)T, Cisco IOS 15.5(1)T2, Cisco IOS 15.5(1)T3, Cisco IOS 15.5(2)T1, Cisco IOS 15.5(2)T2, Cisco IOS 15.5(2)T3, Cisco IOS 15.5(2)T4, Cisco IOS 15.5(1)T4, Cisco IOS 15.2(2)EA, Cisco IOS 15.2(2)EA1, Cisco IOS 15.2(2)EA2, Cisco IOS 15.2(3)EA, Cisco IOS 15.2(4)EA, Cisco IOS 15.2(4)EA1, Cisco IOS 15.2(2)EA3, Cisco IOS 15.2(4)EA3, Cisco IOS 15.2(5)EA, Cisco IOS 15.2(4)EA4, Cisco IOS 15.2(4)EA2, Cisco IOS 15.2(4)EA5, Cisco IOS 15.4(2)SN, Cisco IOS 15.4(2)SN1, Cisco IOS 15.4(3)SN1, Cisco IOS 15.4(3)SN1a, Cisco IOS 15.5(3)M, Cisco IOS 15.5(3)M1, Cisco IOS 15.5(3)M0a, Cisco IOS 15.5(3)M2, Cisco IOS 15.5(3)M2a, Cisco IOS 15.5(3)M3, Cisco IOS 15.5(3)M4, Cisco IOS 15.5(3)M4a, Cisco IOS 15.5(3)M5, Cisco IOS 15.5(3)M4b, Cisco IOS 15.5(3)M4c, Cisco IOS 15.3(3)JAA1, Cisco IOS 15.5(1)SN, Cisco IOS 15.5(1)SN1, Cisco IOS 15.5(2)SN, Cisco IOS 15.5(3)SN0a, Cisco IOS 15.5(3)SN, Cisco IOS 15.0(2)SQD7, Cisco IOS 15.6(1)S, Cisco IOS 15.6(2)S, Cisco IOS 15.6(2)S1, Cisco IOS 15.6(1)S1, Cisco IOS 15.6(1)S2, Cisco IOS 15.6(2)S2, Cisco IOS 15.6(1)S3, Cisco IOS 15.6(2)S3, Cisco IOS 15.6(1)T, Cisco IOS 15.6(2)T, Cisco IOS 15.6(1)T0a, Cisco IOS 15.6(1)T1, Cisco IOS 15.6(2)T1, Cisco IOS 15.6(1)T2, Cisco IOS 15.6(2)T0a, Cisco IOS 15.6(2)T2, Cisco IOS 15.6(1)T3, Cisco IOS 15.3(1)SY, Cisco IOS 15.3(0)SY, Cisco IOS 15.3(1)SY1, Cisco IOS 15.3(1)SY2, Cisco IOS 15.5(2)XB, Cisco IOS 15.6(2)SP, Cisco IOS 15.6(2)SP1, Cisco IOS 15.6(2)SP2, Cisco IOS 15.6(1)SN, Cisco IOS 15.6(1)SN1, Cisco IOS 15.6(2)SN, Cisco IOS 15.6(1)SN2, Cisco IOS 15.6(1)SN3, Cisco IOS 15.6(3)SN, Cisco IOS 15.6(4)SN, Cisco IOS 15.6(5)SN, Cisco IOS 15.6(6)SN, Cisco IOS 15.6(7)SN, Cisco IOS 15.6(7)SN1, Cisco IOS 15.6(7)SN2, Cisco IOS 15.6(7)SN3, Cisco IOS 15.6(3)M, Cisco IOS 15.6(3)M1, Cisco IOS 15.6(3)M0a, Cisco IOS 15.6(3)M1a, Cisco IOS 15.6(3)M1b, Cisco IOS 15.6(3)M2, Cisco IOS 15.6(3)M2a, Cisco IOS 15.2(4)EC1, Cisco IOS 15.2(4)EC2, Cisco IOS 15.3(3)JPC5, Cisco IOS 15.4(1)SY, Cisco IOS 15.4(1)SY1, Cisco IOS 15.4(1)SY2, Cisco IOS 15.5(1)SY, Cisco IOS 15.1(3)SVR1, Cisco IOS 15.1(3)SVR2, Cisco IOS 15.1(3)SVR3, Cisco IOS 15.1(3)SVR10, Cisco IOS 15.3(3)JPI, Cisco IOS 15.3(3)JPJ, Cisco IOS 15.1(3)SVS, Cisco IOS 15.1(3)SVS1, Cisco IOS 15.1(3)SVT1, Cisco IOS 15.1(3)SVT2, Cisco IOS 15.1(3)SVT3, Cisco IOS 15.1(3)SVT4, Cisco IOS 15.1(3)SVU1, Cisco IOS 15.1(3)SVU10, Cisco IOS 15.1(3)SVU2, Cisco IOS 15.1(3)SVU11, Cisco IOS 15.1(3)SVU20, Cisco IOS 15.1(3)SVU21, Cisco IOS 15.1(3)SVV1, Cisco IOS 15.1(3)SVV2, Cisco IOS 15.1(3)SVV3, Cisco IOS 15.1(3)SVV4, Cisco IOS 15.1(3)SVW, Cisco IOS 15.1(3)SVW1, Cisco IOS 15.1(3)SVX, Cisco IOS 15.1(3)SVX1, Cisco IOS 15.3(3)JPQ6, Cisco IOS 15.3(3)JPR1, Cisco IOS XE Software 3.7.0S, Cisco IOS XE Software 3.7.1S, Cisco IOS XE Software 3.7.2S, Cisco IOS XE Software 3.7.3S, Cisco IOS XE Software 3.7.4S, Cisco IOS XE Software 3.7.5S, Cisco IOS XE Software 3.7.6S, Cisco IOS XE Software 3.7.7S, Cisco IOS XE Software 3.7.8S, Cisco IOS XE Software 3.7.4aS, Cisco IOS XE Software 3.7.2tS, Cisco IOS XE Software 3.7.0bS, Cisco IOS XE Software 3.7.1aS, Cisco IOS XE Software 3.8.0S, Cisco IOS XE Software 3.8.1S, Cisco IOS XE Software 3.8.2S, Cisco IOS XE Software 3.9.1S, Cisco IOS XE Software 3.9.0S, Cisco IOS XE Software 3.9.2S, Cisco IOS XE Software 3.9.0xaS, Cisco IOS XE Software 3.9.1aS, Cisco IOS XE Software 3.9.0aS, Cisco IOS XE Software 3.5.0E, Cisco IOS XE Software 3.5.1E, Cisco IOS XE Software 3.5.2E, Cisco IOS XE Software 3.5.3E, Cisco IOS XE Software 3.10.0S, Cisco IOS XE Software 3.10.1S, Cisco IOS XE Software 3.10.2S, Cisco IOS XE Software 3.10.3S, Cisco IOS XE Software 3.10.4S, Cisco IOS XE Software 3.10.5S, Cisco IOS XE Software 3.10.6S, Cisco IOS XE Software 3.10.1xcS, Cisco IOS XE Software 3.10.2aS, Cisco IOS XE Software 3.10.2tS, Cisco IOS XE Software 3.10.7S, Cisco IOS XE Software 3.10.1xbS, Cisco IOS XE Software 3.10.8S, Cisco IOS XE Software 3.10.8aS, Cisco IOS XE Software 3.10.9S, Cisco IOS XE Software 3.11.1S, Cisco IOS XE Software 3.11.2S, Cisco IOS XE Software 3.11.0S, Cisco IOS XE Software 3.11.3S, Cisco IOS XE Software 3.11.4S, Cisco IOS XE Software 3.12.0S, Cisco IOS XE Software 3.12.1S, Cisco IOS XE Software 3.12.2S, Cisco IOS XE Software 3.12.3S, Cisco IOS XE Software 3.12.0aS, Cisco IOS XE Software 3.12.4S, Cisco IOS XE Software 3.13.0S, Cisco IOS XE Software 3.13.1S, Cisco IOS XE Software 3.13.2S, Cisco IOS XE Software 3.13.3S, Cisco IOS XE Software 3.13.4S, Cisco IOS XE Software 3.13.5S, Cisco IOS XE Software 3.13.2aS, Cisco IOS XE Software 3.13.0aS, Cisco IOS XE Software 3.13.5aS, Cisco IOS XE Software 3.13.6S, Cisco IOS XE Software 3.13.7S, Cisco IOS XE Software 3.13.6aS, Cisco IOS XE Software 3.13.6bS, Cisco IOS XE Software 3.13.7aS, Cisco IOS XE Software 3.6.0E, Cisco IOS XE Software 3.6.1E, Cisco IOS XE Software 3.6.0aE, Cisco IOS XE Software 3.6.0bE, Cisco IOS XE Software 3.6.2aE, Cisco IOS XE Software 3.6.2E, Cisco IOS XE Software 3.6.3E, Cisco IOS XE Software 3.6.4E, Cisco IOS XE Software 3.6.5E, Cisco IOS XE Software 3.6.6E, Cisco IOS XE Software 3.6.5aE, Cisco IOS XE Software 3.6.5bE, Cisco IOS XE Software 3.14.0S, Cisco IOS XE Software 3.14.1S, Cisco IOS XE Software 3.14.2S, Cisco IOS XE Software 3.14.3S, Cisco IOS XE Software 3.14.4S, Cisco IOS XE Software 3.15.0S, Cisco IOS XE Software 3.15.1S, Cisco IOS XE Software 3.15.2S, Cisco IOS XE Software 3.15.1cS, Cisco IOS XE Software 3.15.3S, Cisco IOS XE Software 3.15.4S, Cisco IOS XE Software 3.7.0E, Cisco IOS XE Software 3.7.1E, Cisco IOS XE Software 3.7.2E, Cisco IOS XE Software 3.7.3E, Cisco IOS XE Software 3.7.4E, Cisco IOS XE Software 3.7.5E, Cisco IOS XE Software 3.16.0S, Cisco IOS XE Software 3.16.1S, Cisco IOS XE Software 3.16.0aS, Cisco IOS XE Software 3.16.1aS, Cisco IOS XE Software 3.16.2S, Cisco IOS XE Software 3.16.2aS, Cisco IOS XE Software 3.16.0bS, Cisco IOS XE Software 3.16.0cS, Cisco IOS XE Software 3.16.3S, Cisco IOS XE Software 3.16.2bS, Cisco IOS XE Software 3.16.3aS, Cisco IOS XE Software 3.16.4S, Cisco IOS XE Software 3.16.4aS, Cisco IOS XE Software 3.16.4bS, Cisco IOS XE Software 3.16.4gS, Cisco IOS XE Software 3.16.5S, Cisco IOS XE Software 3.16.4cS, Cisco IOS XE Software 3.16.4dS, Cisco IOS XE Software 3.16.4eS, Cisco IOS XE Software 3.17.0S, Cisco IOS XE Software 3.17.1S, Cisco IOS XE Software 3.17.2S, Cisco IOS XE Software 3.17.1aS, Cisco IOS XE Software 3.17.3S, Cisco IOS XE Software 16.1.1, Cisco IOS XE Software 16.1.2, Cisco IOS XE Software 16.1.3, Cisco IOS XE Software 16.2.1, Cisco IOS XE Software 16.2.2, Cisco IOS XE Software 3.8.0E, Cisco IOS XE Software 3.8.1E, Cisco IOS XE Software 3.8.2E, Cisco IOS XE Software 3.8.3E, Cisco IOS XE Software 3.8.4E, Cisco IOS XE Software 16.3.1, Cisco IOS XE Software 16.3.2, Cisco IOS XE Software 16.3.3, Cisco IOS XE Software 16.3.1a, Cisco IOS XE Software 16.3.4, Cisco IOS XE Software 16.4.1, Cisco IOS XE Software 16.4.2, Cisco IOS XE Software 16.5.1, Cisco IOS XE Software 16.5.1a, Cisco IOS XE Software 16.5.1b, Cisco IOS XE Software 3.18.0aS, Cisco IOS XE Software 3.18.0S, Cisco IOS XE Software 3.18.1S, Cisco IOS XE Software 3.18.2S, Cisco IOS XE Software 3.18.3S, Cisco IOS XE Software 3.18.0SP, Cisco IOS XE Software 3.18.1SP, Cisco IOS XE Software 3.18.1aSP, Cisco IOS XE Software 3.18.1gSP, Cisco IOS XE Software 3.18.1bSP, Cisco IOS XE Software 3.18.1cSP, Cisco IOS XE Software 3.18.2SP, Cisco IOS XE Software 3.18.1hSP, Cisco IOS XE Software 3.18.2aSP, Cisco IOS XE Software 3.18.1iSP, Cisco IOS XE Software 3.9.0E, Cisco IOS XE Software 3.9.1E, Cisco IOS XE Software 3.9.2E, Cisco IOS XE Software 3.9.2bE, Cisco IOS XE Software

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