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 11 of 30
CVE-2015-6289HIGHCVSS 7.5v15.5\(3\)m2016-06-23
CVE-2015-6289 [HIGH] CWE-399 CVE-2015-6289: Cisco IOS 15.5(3)M on Integrated Services Router (ISR) 800, 819, and 829 devices allows remote attac
Cisco IOS 15.5(3)M on Integrated Services Router (ISR) 800, 819, and 829 devices allows remote attackers to cause a denial of service (memory consumption) via crafted TCP packets on the SSH port, aka Bug ID CSCuu13476.
nvd
CVE-2016-1424MEDIUMCVSS 6.5v15.2\(1\)t1.11v15.2\(2\)tst2016-06-19
CVE-2016-1424 [MEDIUM] CWE-119 CVE-2016-1424: Cisco IOS 15.2(1)T1.11 and 15.2(2)TST allows remote attackers to cause a denial of service (device c
Cisco IOS 15.2(1)T1.11 and 15.2(2)TST allows remote attackers to cause a denial of service (device crash) via a crafted LLDP packet, aka Bug ID CSCun63132.
nvd
CVE-2016-1409HIGHCVSS 7.5Exploitedv12.0\(1\)v12.0\(1\)db+4357 more2016-05-29
CVE-2016-1409 [HIGH] CWE-20 CVE-2016-1409: The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a denial of service (packet-processing outage) via crafted ND messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.
nvd
CVE-2016-1399HIGHCVSS 7.5v15.2\(2\)ebv15.2\(2\)eb1+4 more2016-05-14
CVE-2016-1399 [HIGH] CWE-399 CVE-2016-1399: The packet-processing microcode in Cisco IOS 15.2(2)EA, 15.2(2)EA1, 15.2(2)EA2, and 15.2(4)EA on Ind
The packet-processing microcode in Cisco IOS 15.2(2)EA, 15.2(2)EA1, 15.2(2)EA2, and 15.2(4)EA on Industrial Ethernet 4000 devices and 15.2(2)EB and 15.2(2)EB1 on Industrial Ethernet 5000 devices allows remote attackers to cause a denial of service (packet data corruption) via crafted IPv4 ICMP packets, aka Bug ID CSCuy13431.
nvd
CVE-2016-1384HIGHCVSS 7.5v15.1\(1\)sv15.1\(1\)s1+31 more2016-04-20
CVE-2016-1384 [HIGH] CWE-264 CVE-2016-1384: The NTP implementation in Cisco IOS 15.1 and 15.5 and IOS XE 3.2 through 3.17 allows remote attacker
The NTP implementation in Cisco IOS 15.1 and 15.5 and IOS XE 3.2 through 3.17 allows remote attackers to modify the system time via crafted packets, aka Bug ID CSCux46898.
nvd
CVE-2016-1378MEDIUMCVSS 5.3v15.1\(1\)sgv15.1\(1\)sg1+26 more2016-04-14
CVE-2016-1378 [MEDIUM] CWE-200 CVE-2016-1378: Cisco IOS before 15.2(2)E1 on Catalyst switches allows remote attackers to obtain potentially sensit
Cisco IOS before 15.2(2)E1 on Catalyst switches allows remote attackers to obtain potentially sensitive software-version information via a request to the Network Mobility Services Protocol (NMSP) port, aka Bug ID CSCum62591.
nvd
CVE-2016-1351HIGHCVSS 7.5v15.1\(1\)sy1v15.1\(1\)sy2+15 more2016-03-26
CVE-2016-1351 [HIGH] CWE-20 CVE-2016-1351: The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.1 and 15.2 and NX-OS 4.1 th
The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.1 and 15.2 and NX-OS 4.1 through 6.2 allows remote attackers to cause a denial of service (device reload) via a crafted header in a packet, aka Bug ID CSCuu64279.
nvd
CVE-2016-1347HIGHCVSS 7.5v15.1\(4\)gc2v15.1\(4\)m6+31 more2016-03-24
CVE-2016-1347 [HIGH] CWE-399 CVE-2016-1347: The Wide Area Application Services (WAAS) Express implementation in Cisco IOS 15.1 through 15.5 allo
The Wide Area Application Services (WAAS) Express implementation in Cisco IOS 15.1 through 15.5 allows remote attackers to cause a denial of service (device reload) via a crafted TCP segment, aka Bug ID CSCuq59708.
nvd
CVE-2016-1333MEDIUMCVSS 6.5v15.5\(3\)mv15.6\(1\)t0a2016-02-17
CVE-2016-1333 [MEDIUM] CWE-399 CVE-2016-1333: Cisco IOS 15.5(3)M and 15.6(1)T0a on Cisco 1000 Connected Grid routers allows remote authenticated u
Cisco IOS 15.5(3)M and 15.6(1)T0a on Cisco 1000 Connected Grid routers allows remote authenticated users to cause a denial of service (device reload) via an SNMP request for unspecified BRIDGE MIB OIDs, aka Bug ID CSCux89878.
nvd
CVE-2015-6429MEDIUMCVSS 5.0v15.4\(3\)sv15.5\(1\)s+9 more2015-12-19
CVE-2015-6429 [MEDIUM] CWE-19 CVE-2015-6429: The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote at
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.
nvd
CVE-2015-6359MEDIUMCVSS 6.1v15.2\(4\)ev15.2\(4\)pi+3 more2015-12-15
CVE-2015-6359 [MEDIUM] CWE-119 CVE-2015-6359: The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS 15.3(3)S0.1 on AS
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS 15.3(3)S0.1 on ASR devices mishandles internal tables, which allows remote attackers to cause a denial of service (memory consumption or device crash) via a flood of crafted ND messages, aka Bug ID CSCup28217.
nvd
CVE-2015-6385HIGHCVSS 7.2v15.5\(2\)sv15.5\(3\)s2015-12-01
CVE-2015-6385 [HIGH] CWE-20 CVE-2015-6385: The publish-event event-manager feature in Cisco IOS 15.5(2)S and 15.5(3)S on Cloud Services Router
The publish-event event-manager feature in Cisco IOS 15.5(2)S and 15.5(3)S on Cloud Services Router 1000V devices allows local users to execute arbitrary commands with root privileges by leveraging administrative access to enter crafted environment variables, aka Bug ID CSCux14943.
nvd
CVE-2015-6375LOWCVSS 2.1v15.2\(2\)e32015-11-21
CVE-2015-6375 [LOW] CWE-200 CVE-2015-6375: The debug-logging (aka debug cns) feature in Cisco Networking Services (CNS) for IOS 15.2(2)E3 allow
The debug-logging (aka debug cns) feature in Cisco Networking Services (CNS) for IOS 15.2(2)E3 allows local users to obtain sensitive information by reading an unspecified file, aka Bug ID CSCux18010.
nvd
CVE-2015-6365MEDIUMCVSS 4.0v15.2\(4\)mv15.4\(3\)m2015-11-14
CVE-2015-6365 [MEDIUM] CWE-20 CVE-2015-6365: Cisco IOS 15.2(04)M and 15.4(03)M lets physical-interface ACLs supersede virtual PPP interface ACLs,
Cisco IOS 15.2(04)M and 15.4(03)M lets physical-interface ACLs supersede virtual PPP interface ACLs, which allows remote authenticated users to bypass intended network-traffic restrictions in opportunistic circumstances by using PPP, aka Bug ID CSCur61303.
nvd
CVE-2015-6366MEDIUMCVSS 5.0v15.2\(4\)m6v15.4\(3\)s2015-11-13
CVE-2015-6366 [MEDIUM] CWE-284 CVE-2015-6366: Cisco IOS 15.2(04)M6 and 15.4(03)S lets physical-interface ACLs supersede tunnel-interface ACLs, whi
Cisco IOS 15.2(04)M6 and 15.4(03)S lets physical-interface ACLs supersede tunnel-interface ACLs, which allows remote attackers to bypass intended network-traffic restrictions in opportunistic circumstances by using a tunnel, aka Bug ID CSCur01042.
nvd
CVE-2015-6343MEDIUMCVSS 5.0v15.5\(3\)m2015-10-31
CVE-2015-6343 [MEDIUM] CWE-399 CVE-2015-6343: The SIP implementation in Cisco IOS 15.5(3)M on Cisco Unified Border Element (CUBE) devices allows r
The SIP implementation in Cisco IOS 15.5(3)M on Cisco Unified Border Element (CUBE) devices allows remote attackers to cause a denial of service via crafted SIP messages, aka Bug ID CSCuv79202.
nvd
CVE-2015-6263MEDIUMCVSS 6.3v15.4\(3\)m2.22015-10-12
CVE-2015-6263 [MEDIUM] CWE-399 CVE-2015-6263: The RADIUS client implementation in Cisco IOS 15.4(3)M2.2, when a shared RADIUS secret is configured
The RADIUS client implementation in Cisco IOS 15.4(3)M2.2, when a shared RADIUS secret is configured, allows remote RADIUS servers to cause a denial of service (device reload) via malformed answers, aka Bug ID CSCuu59324.
nvd
CVE-2015-6280CRITICALCVSS 9.3v15.2\(1\)syv15.2\(1\)sy0a+46 more2015-09-28
CVE-2015-6280 [CRITICAL] CWE-287 CVE-2015-6280: The SSHv2 functionality in Cisco IOS 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.6E before 3.6.3E, 3.7E
The SSHv2 functionality in Cisco IOS 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.6E before 3.6.3E, 3.7E before 3.7.1E, 3.10S before 3.10.6S, 3.11S before 3.11.4S, 3.12S before 3.12.3S, 3.13S before 3.13.3S, and 3.14S before 3.14.1S does not properly implement RSA authentication, which allows remote attackers to obtain login access by leveraging knowledge
nvd
CVE-2015-6279HIGHCVSS 7.8v12.2\(50\)syv12.2\(50\)sy1+90 more2015-09-28
CVE-2015-6279 [HIGH] CWE-20 CVE-2015-6279: The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 1
The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.2SE, 3.3SE, 3.3XO, 3.4SG, 3.5E, and 3.6E before 3.6.3E; 3.7E before 3.7.2E; 3.9S and 3.10S before 3.10.6S; 3.11S before 3.11.4S; 3.12S and 3.13S before 3.13.3S; and 3.14S before 3.14.2S allows remote attackers to caus
nvd
CVE-2015-6278HIGHCVSS 7.8v12.2\(50\)syv12.2\(50\)sy1+97 more2015-09-28
CVE-2015-6278 [HIGH] CWE-20 CVE-2015-6278: The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 1
The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.2SE, 3.3SE, 3.3XO, 3.4SG, 3.5E, and 3.6E before 3.6.3E; 3.7E before 3.7.2E; 3.9S and 3.10S before 3.10.6S; 3.11S before 3.11.4S; 3.12S and 3.13S before 3.13.3S; and 3.14S before 3.14.2S does not properly implement the
nvd