CVE-2017-12240

Published: Sep 29, 2017Modified: Apr 21, 2026CISA KEV

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the DHCP relay subsystem of the affected software. An attacker could exploit this vulnerability by sending a crafted DHCP Version 4 (DHCPv4) packet to an affected system. A successful exploit could allow the attacker to execute arbitrary code and gain full control of the affected system or cause the affected system to reload, resulting in a DoS condition. Cisco Bug IDs: CSCsm45390, CSCuw77959.

Affected (1)

Products: Cisco: Ios

Cisco

1 product

Ios

Configuration A

1 vulnerable · 264 platform

Vulnerable Software	Affected Versions
Cisco Ios	From 12.2 to 15.6

Running on/with	Platform Versions
Cisco 1000 Integrated Services Router	All versions
Cisco 1100 4g Integrated Services Router	All versions
Cisco 1100 4gltegb Integrated Services Router	All versions
Cisco 1100 4gltena Integrated Services Router	All versions
Cisco 1100 4p Integrated Services Router	All versions
Cisco 1100 6g Integrated Services Router	All versions
Cisco 1100 8p Integrated Services Router	All versions
Cisco 1100 Lte Integrated Services Router	All versions
Cisco 1100 Integrated Services Router	All versions
Cisco 1101 4p Integrated Services Router	All versions
Cisco 1101 Integrated Services Router	All versions
Cisco 1109 2p Integrated Services Router	All versions
Cisco 1109 4p Integrated Services Router	All versions
Cisco 1109 Integrated Services Router	All versions
Cisco 1111x 8p Integrated Services Router	All versions
Cisco 1111x Integrated Services Router	All versions
Cisco 111x Integrated Services Router	All versions
Cisco 1120 Integrated Services Router	All versions
Cisco 1131 Integrated Services Router	All versions
Cisco 1160 Integrated Services Router	All versions
Cisco 1801 Integrated Service Router	All versions
Cisco 1802 Integrated Service Router	All versions
Cisco 1803 Integrated Service Router	All versions
Cisco 1811 Integrated Service Router	All versions
Cisco 1812 Integrated Service Router	All versions
Cisco 1841 Integrated Service Router	All versions
Cisco 1861 Integrated Service Router	All versions
Cisco 1905 Integrated Services Router	All versions
Cisco 1906c Integrated Services Router	All versions
Cisco 1921 Integrated Services Router	All versions
Cisco 1941 Integrated Services Router	All versions
Cisco 1941w Integrated Services Router	All versions
Cisco 4000 Integrated Services Router	All versions
Cisco 4221 Integrated Services Router	All versions
Cisco 422 Integrated Services Router	All versions
Cisco 8101 32fh	All versions
Cisco 8101 32h	All versions
Cisco 8102 64h	All versions
Cisco 8201	All versions
Cisco 8201 32fh	All versions
Cisco 8202	All versions
Cisco 8208	All versions
Cisco 8212	All versions
Cisco 8218	All versions
Cisco 8800 12 Slot	All versions
Cisco 8800 18 Slot	All versions
Cisco 8800 4 Slot	All versions
Cisco 8800 8 Slot	All versions
Cisco 8804	All versions
Cisco 8808	All versions
Cisco 8812	All versions
Cisco 8818	All versions
Cisco 8831	All versions
Cisco 9800 40	All versions
Cisco 9800 80	All versions
Cisco 9800 Cl	All versions
Cisco 9800 L	All versions
Cisco Asr 1000	All versions
Cisco Asr 1000 Esp100	All versions
Cisco Asr 1000 Esp100 X	All versions
Cisco Asr 1000 Esp200 X	All versions
Cisco Asr 1000 X	All versions
Cisco Asr 1001	All versions
Cisco Asr 1001 Hx	All versions
Cisco Asr 1001 Hx R	All versions
Cisco Asr 1001 X	All versions
Cisco Asr 1001 X R	All versions
Cisco Asr 1002	All versions
Cisco Asr 1002 Hx	All versions
Cisco Asr 1002 Hx R	All versions
Cisco Asr 1002 X	All versions
Cisco Asr 1002 X R	All versions
Cisco Asr 1004	All versions
Cisco Asr 1006	All versions
Cisco Asr 1006 X	All versions
Cisco Asr 1009 X	All versions
Cisco Asr 1013	All versions
Cisco Asr 1023	All versions
Cisco Asr 900	All versions
Cisco Asr 9000	All versions
Cisco Asr 9000v	All versions
Cisco Asr 9001	All versions
Cisco Asr 9006	All versions
Cisco Asr 901 12c F D	All versions
Cisco Asr 901 12c Ft D	All versions
Cisco Asr 901 4c F D	All versions
Cisco Asr 901 4c Ft D	All versions
Cisco Asr 901 6cz F A	All versions
Cisco Asr 901 6cz F D	All versions
Cisco Asr 901 6cz Fs A	All versions
Cisco Asr 901 6cz Fs D	All versions
Cisco Asr 901 6cz Ft A	All versions
Cisco Asr 901 6cz Ft D	All versions
Cisco Asr 9010	All versions
Cisco Asr 901s 2sg F Ah	All versions
Cisco Asr 901s 2sg F D	All versions
Cisco Asr 901s 3sg F Ah	All versions
Cisco Asr 901s 3sg F D	All versions
Cisco Asr 901s 4sg F D	All versions
Cisco Asr 902	All versions
Cisco Asr 902u	All versions
Cisco Asr 903	All versions
Cisco Asr 907	All versions
Cisco Asr 914	All versions
Cisco Asr 920 10sz Pd	All versions
Cisco Asr 920 10sz Pd R	All versions
Cisco Asr 920 10sz Pd Router	All versions
Cisco Asr 920 12cz A	All versions
Cisco Asr 920 12cz A R	All versions
Cisco Asr 920 12cz A Router	All versions
Cisco Asr 920 12cz D	All versions
Cisco Asr 920 12cz D R	All versions
Cisco Asr 920 12cz D Router	All versions
Cisco Asr 920 12sz Im	All versions
Cisco Asr 920 12sz Im R	All versions
Cisco Asr 920 12sz Im Router	All versions
Cisco Asr 920 24sz Im	All versions
Cisco Asr 920 24sz Im R	All versions
Cisco Asr 920 24sz Im Router	All versions
Cisco Asr 920 24sz M	All versions
Cisco Asr 920 24sz M R	All versions
Cisco Asr 920 24sz M Router	All versions
Cisco Asr 920 24tz M	All versions
Cisco Asr 920 24tz M R	All versions
Cisco Asr 920 24tz M Router	All versions
Cisco Asr 920 4sz A	All versions
Cisco Asr 920 4sz A R	All versions
Cisco Asr 920 4sz A Router	All versions
Cisco Asr 920 4sz D	All versions
Cisco Asr 920 4sz D R	All versions
Cisco Asr 920 4sz D Router	All versions
Cisco Asr 920u 12sz Im	All versions
Cisco Asr 9901	All versions
Cisco Asr 9902	All versions
Cisco Asr 9903	All versions
Cisco Asr 9904	All versions
Cisco Asr 9906	All versions
Cisco Asr 9910	All versions
Cisco Asr 9912	All versions
Cisco Asr 9920	All versions
Cisco Asr 9922	All versions
Cisco Catalyst 3650	All versions
Cisco Catalyst 3650 12x48fd E	All versions
Cisco Catalyst 3650 12x48fd L	All versions
Cisco Catalyst 3650 12x48fd S	All versions
Cisco Catalyst 3650 12x48uq	All versions
Cisco Catalyst 3650 12x48uq E	All versions
Cisco Catalyst 3650 12x48uq L	All versions
Cisco Catalyst 3650 12x48uq S	All versions
Cisco Catalyst 3650 12x48ur	All versions
Cisco Catalyst 3650 12x48ur E	All versions
Cisco Catalyst 3650 12x48ur L	All versions
Cisco Catalyst 3650 12x48ur S	All versions
Cisco Catalyst 3650 12x48uz	All versions
Cisco Catalyst 3650 12x48uz E	All versions
Cisco Catalyst 3650 12x48uz L	All versions
Cisco Catalyst 3650 12x48uz S	All versions
Cisco Catalyst 3650 24pd	All versions
Cisco Catalyst 3650 24pd E	All versions
Cisco Catalyst 3650 24pd L	All versions
Cisco Catalyst 3650 24pd S	All versions
Cisco Catalyst 3650 24pdm	All versions
Cisco Catalyst 3650 24pdm E	All versions
Cisco Catalyst 3650 24pdm L	All versions
Cisco Catalyst 3650 24pdm S	All versions
Cisco Catalyst 3650 24ps E	All versions
Cisco Catalyst 3650 24ps L	All versions
Cisco Catalyst 3650 24ps S	All versions
Cisco Catalyst 3650 24td E	All versions
Cisco Catalyst 3650 24td L	All versions
Cisco Catalyst 3650 24td S	All versions
Cisco Catalyst 3650 24ts E	All versions
Cisco Catalyst 3650 24ts L	All versions
Cisco Catalyst 3650 24ts S	All versions
Cisco Catalyst 3650 48fd E	All versions
Cisco Catalyst 3650 48fd L	All versions
Cisco Catalyst 3650 48fd S	All versions
Cisco Catalyst 3650 48fq	All versions
Cisco Catalyst 3650 48fq E	All versions
Cisco Catalyst 3650 48fq L	All versions
Cisco Catalyst 3650 48fq S	All versions
Cisco Catalyst 3650 48fqm	All versions
Cisco Catalyst 3650 48fqm E	All versions
Cisco Catalyst 3650 48fqm L	All versions
Cisco Catalyst 3650 48fqm S	All versions
Cisco Catalyst 3650 48fs E	All versions
Cisco Catalyst 3650 48fs L	All versions
Cisco Catalyst 3650 48fs S	All versions
Cisco Catalyst 3650 48pd E	All versions
Cisco Catalyst 3650 48pd L	All versions
Cisco Catalyst 3650 48pd S	All versions
Cisco Catalyst 3650 48pq E	All versions
Cisco Catalyst 3650 48pq L	All versions
Cisco Catalyst 3650 48pq S	All versions
Cisco Catalyst 3650 48ps E	All versions
Cisco Catalyst 3650 48ps L	All versions
Cisco Catalyst 3650 48ps S	All versions
Cisco Catalyst 3650 48td E	All versions
Cisco Catalyst 3650 48td L	All versions
Cisco Catalyst 3650 48td S	All versions
Cisco Catalyst 3650 48tq E	All versions
Cisco Catalyst 3650 48tq L	All versions
Cisco Catalyst 3650 48tq S	All versions
Cisco Catalyst 3650 48ts E	All versions
Cisco Catalyst 3650 48ts L	All versions
Cisco Catalyst 3650 48ts S	All versions
Cisco Catalyst 3650 8x24pd E	All versions
Cisco Catalyst 3650 8x24pd L	All versions
Cisco Catalyst 3650 8x24pd S	All versions
Cisco Catalyst 3650 8x24uq	All versions
Cisco Catalyst 3650 8x24uq E	All versions
Cisco Catalyst 3650 8x24uq L	All versions
Cisco Catalyst 3650 8x24uq S	All versions
Cisco Catalyst 3850	All versions
Cisco Catalyst 3850 12s E	All versions
Cisco Catalyst 3850 12s S	All versions
Cisco Catalyst 3850 12x48u	All versions
Cisco Catalyst 3850 12xs E	All versions
Cisco Catalyst 3850 12xs S	All versions
Cisco Catalyst 3850 16xs E	All versions
Cisco Catalyst 3850 16xs S	All versions
Cisco Catalyst 3850 24p E	All versions
Cisco Catalyst 3850 24p L	All versions
Cisco Catalyst 3850 24p S	All versions
Cisco Catalyst 3850 24pw S	All versions
Cisco Catalyst 3850 24s E	All versions
Cisco Catalyst 3850 24s S	All versions
Cisco Catalyst 3850 24t E	All versions
Cisco Catalyst 3850 24t L	All versions
Cisco Catalyst 3850 24t S	All versions
Cisco Catalyst 3850 24u	All versions
Cisco Catalyst 3850 24u E	All versions
Cisco Catalyst 3850 24u L	All versions
Cisco Catalyst 3850 24u S	All versions
Cisco Catalyst 3850 24xs	All versions
Cisco Catalyst 3850 24xs E	All versions
Cisco Catalyst 3850 24xs S	All versions
Cisco Catalyst 3850 24xu	All versions
Cisco Catalyst 3850 24xu E	All versions
Cisco Catalyst 3850 24xu L	All versions
Cisco Catalyst 3850 24xu S	All versions
Cisco Catalyst 3850 32xs E	All versions
Cisco Catalyst 3850 32xs S	All versions
Cisco Catalyst 3850 48f E	All versions
Cisco Catalyst 3850 48f L	All versions
Cisco Catalyst 3850 48f S	All versions
Cisco Catalyst 3850 48p E	All versions
Cisco Catalyst 3850 48p L	All versions
Cisco Catalyst 3850 48p S	All versions
Cisco Catalyst 3850 48pw S	All versions
Cisco Catalyst 3850 48t E	All versions
Cisco Catalyst 3850 48t L	All versions
Cisco Catalyst 3850 48t S	All versions
Cisco Catalyst 3850 48u	All versions
Cisco Catalyst 3850 48u E	All versions
Cisco Catalyst 3850 48u L	All versions
Cisco Catalyst 3850 48u S	All versions
Cisco Catalyst 3850 48xs	All versions
Cisco Catalyst 3850 48xs E	All versions
Cisco Catalyst 3850 48xs F E	All versions
Cisco Catalyst 3850 48xs F S	All versions
Cisco Catalyst 3850 48xs S	All versions
Cisco Catalyst 3850 Nm 2 40g	All versions
Cisco Catalyst 3850 Nm 8 10g	All versions