Cisco iOS vulnerabilities
581 known vulnerabilities affecting cisco/ios.
Total CVEs
581
CISA KEV
36
actively exploited
Public exploits
28
Exploited in wild
36
Severity breakdown
CRITICAL32HIGH327MEDIUM211LOW11
Vulnerabilities
Page 14 of 30
CVE-2014-3327HIGHCVSS 7.8v12.2v15.0+3 more2014-08-11
CVE-2014-3327 [HIGH] CWE-20 CVE-2014-3327: The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4
The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4.xSG, and 3.5.xE before 3.5.3E allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCup52101.
nvd
CVE-2014-3268MEDIUMCVSS 5.0v15.2\(4\)m42014-05-20
CVE-2014-3268 [MEDIUM] CWE-20 CVE-2014-3268: Cisco IOS 15.2(4)M4 on Cisco Unified Border Element (CUBE) devices allows remote attackers to cause
Cisco IOS 15.2(4)M4 on Cisco Unified Border Element (CUBE) devices allows remote attackers to cause a denial of service (input-queue consumption and traffic-processing outage) via crafted RTCP packets, aka Bug ID CSCuj72215.
nvd
CVE-2014-3263MEDIUMCVSS 5.4v15.3\(3\)mv15.3m2014-05-16
CVE-2014-3263 [MEDIUM] CWE-20 CVE-2014-3263: The ScanSafe module in Cisco IOS 15.3(3)M allows remote attackers to cause a denial of service (devi
The ScanSafe module in Cisco IOS 15.3(3)M allows remote attackers to cause a denial of service (device reload) via HTTPS packets that require tower processing, aka Bug ID CSCum97038.
nvd
CVE-2014-3262MEDIUMCVSS 4.3≤ 15.3\(3\)sv15.3\(3\)m+2 more2014-05-16
CVE-2014-3262 [MEDIUM] CWE-20 CVE-2014-3262: The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.3(3)S and earlier and IOS X
The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.3(3)S and earlier and IOS XE does not properly validate parameters in ITR control messages, which allows remote attackers to cause a denial of service (CEF outage and packet drops) via malformed messages, aka Bug ID CSCun73782.
nvd
CVE-2012-3946MEDIUMCVSS 5.0≤ 15.32014-04-24
CVE-2012-3946 [MEDIUM] CWE-264 CVE-2012-3946: Cisco IOS before 15.3(2)S allows remote attackers to bypass interface ACL restrictions in opportunis
Cisco IOS before 15.3(2)S allows remote attackers to bypass interface ACL restrictions in opportunistic circumstances by sending IPv6 packets in an unspecified scenario in which expected packet drops do not occur for "a small percentage" of the packets, aka Bug ID CSCty73682.
nvd
CVE-2012-4658MEDIUMCVSS 5.0≤ 15.1\(1\)sy2v15.1+2 more2014-04-23
CVE-2012-4658 [MEDIUM] CWE-287 CVE-2012-4658: The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a d
The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated HTTP sessions, aka Bug ID CSCtz99447.
nvd
CVE-2012-5036MEDIUMCVSS 6.8v12.2\(33\)sxi4v12.2\(33\)sxi5+4 more2014-04-23
CVE-2012-5036 [MEDIUM] CWE-399 CVE-2012-5036: Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory
Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662.
nvd
CVE-2012-5044MEDIUMCVSS 5.4≤ 15.2\(2\)t2014-04-23
CVE-2012-5044 [MEDIUM] CWE-119 CVE-2012-5044: Cisco IOS before 15.3(1)T, when media flow-around is not used, allows remote attackers to cause a de
Cisco IOS before 15.3(1)T, when media flow-around is not used, allows remote attackers to cause a denial of service (media loops and stack memory corruption) via VoIP traffic, aka Bug ID CSCub45809.
nvd
CVE-2012-5427MEDIUMCVSS 4.0≤ 15.3\(2\)sv15.32014-04-23
CVE-2012-5427 [MEDIUM] CWE-20 CVE-2012-5427: Cisco IOS Unified Border Element (CUBE) in Cisco IOS before 15.3(2)T allows remote authenticated use
Cisco IOS Unified Border Element (CUBE) in Cisco IOS before 15.3(2)T allows remote authenticated users to cause a denial of service (input queue wedge) via a crafted series of RTCP packets, aka Bug ID CSCuc42518.
nvd
CVE-2012-5037MEDIUMCVSS 4.6≤ 15.12014-04-23
CVE-2012-5037 [MEDIUM] CWE-264 CVE-2012-5037: The ACL implementation in Cisco IOS before 15.1(1)SY on Catalyst 6500 and 7600 devices allows local
The ACL implementation in Cisco IOS before 15.1(1)SY on Catalyst 6500 and 7600 devices allows local users to cause a denial of service (device reload) via a "no object-group" command followed by an object-group command, aka Bug ID CSCts16133.
nvd
CVE-2012-1366MEDIUMCVSS 6.1v15.12014-04-23
CVE-2012-1366 [MEDIUM] CWE-20 CVE-2012-1366: Cisco IOS before 15.1(1)SY on ASR 1000 devices, when Multicast Listener Discovery (MLD) tracking is
Cisco IOS before 15.1(1)SY on ASR 1000 devices, when Multicast Listener Discovery (MLD) tracking is enabled for IPv6, allows remote attackers to cause a denial of service (device reload) via crafted MLD packets, aka Bug ID CSCtz28544.
nvd
CVE-2012-5422MEDIUMCVSS 6.8≤ 15.3\(2\)sv15.32014-04-23
CVE-2012-5422 [MEDIUM] CVE-2012-5422: Unspecified vulnerability in Cisco IOS before 15.3(2)T on AS5400 devices allows remote authenticated
Unspecified vulnerability in Cisco IOS before 15.3(2)T on AS5400 devices allows remote authenticated users to cause a denial of service (spurious errors) via unknown vectors, aka Bug ID CSCub61009.
nvd
CVE-2012-5032MEDIUMCVSS 6.4≤ 15.1\(1\)sy2v15.1+2 more2014-04-23
CVE-2012-5032 [MEDIUM] CWE-287 CVE-2012-5032: The Flex-VPN load-balancing feature in the ipsec-ikev2 implementation in Cisco IOS before 15.1(1)SY3
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 I
nvd
CVE-2012-3062MEDIUMCVSS 5.7v15.12014-04-23
CVE-2012-3062 [MEDIUM] CWE-20 CVE-2012-3062: Cisco IOS before 15.1(1)SY, when Multicast Listener Discovery (MLD) snooping is enabled, allows remo
Cisco IOS before 15.1(1)SY, when Multicast Listener Discovery (MLD) snooping is enabled, allows remote attackers to cause a denial of service (CPU consumption or device crash) via MLD packets on a network that contains many IPv6 hosts, aka Bug ID CSCtr88193.
nvd
CVE-2012-3918MEDIUMCVSS 4.3≤ 15.3\(3\)m2v15.3+5 more2014-04-23
CVE-2012-3918 [MEDIUM] CVE-2012-3918: Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/
Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.
nvd
CVE-2012-4651MEDIUMCVSS 4.3≤ 15.3\(3\)m2v15.3+5 more2014-04-23
CVE-2012-4651 [MEDIUM] CWE-189 CVE-2012-4651: Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of se
Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.
nvd
CVE-2012-1317MEDIUMCVSS 5.4v15.12014-04-23
CVE-2012-1317 [MEDIUM] CWE-119 CVE-2012-1317: The multicast implementation in Cisco IOS before 15.1(1)SY allows remote attackers to cause a denial
The multicast implementation in Cisco IOS before 15.1(1)SY allows remote attackers to cause a denial of service (Route Processor crash) by sending packets at a high rate, aka Bug ID CSCts37717.
nvd
CVE-2012-0360MEDIUMCVSS 5.0v15.12014-04-23
CVE-2012-0360 [MEDIUM] CWE-399 CVE-2012-0360: Memory leak in Cisco IOS before 15.1(1)SY, when IKEv2 debugging is enabled, allows remote attackers
Memory leak in Cisco IOS before 15.1(1)SY, when IKEv2 debugging is enabled, allows remote attackers to cause a denial of service (memory consumption) via crafted packets, aka Bug ID CSCtn22376.
nvd
CVE-2012-5039MEDIUMCVSS 4.3≤ 12.2\(50\)sy2014-04-23
CVE-2012-5039 [MEDIUM] CWE-399 CVE-2012-5039: The BGP Router process in Cisco IOS before 12.2(50)SY1 allows remote attackers to cause a denial of
The BGP Router process in Cisco IOS before 12.2(50)SY1 allows remote attackers to cause a denial of service (memory consumption) via vectors involving BGP path attributes, aka Bug ID CSCsw63003.
nvd
CVE-2012-4638MEDIUMCVSS 4.9v15.12014-04-23
CVE-2012-4638 [MEDIUM] CVE-2012-4638: Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establ
Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug ID CSCto00318.
nvd