IX
Network Security
IOS XE
by Cisco · last CVE Aug 5, 2026
On CISA KEVExploited in the wild
561
CVEs
27
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 20High 266Medium 158Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2015-6282
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2%
Sep 26
Cisco IOS XE 2.x and 3.x before 3.10.6S, 3.11.xS through 3.13.xS before 3.13.3S, and 3.14.xS through 3.15.xS before 3.15.1S allows remote attackers to cause a denial of service…
Affected: 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.1; 2.2.2; +34 more
CVE-2015-6294
–
1%
Sep 18
Cisco IOS 15.2(3)E and earlier and IOS XE 3.6(2)E and earlier allow remote attackers to cause a denial of service (functionality loss) via crafted Cisco Discovery Protocol (CDP)…
Affected: 3.6e.0; 3.6e.1; 3.6e.2
CVE-2015-6272
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2%
Aug 31
Cisco IOS XE 2.1.0 through 2.2.3 and 2.3.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services…
Affected: 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.1; 2.2.2; +2 more
CVE-2015-6271
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2%
Aug 31
Cisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services…
Affected: 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.1; 2.2.2; +10 more
CVE-2015-6270
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2%
Aug 31
Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted IPv6 packet, aka Bug ID…
Affected: 2.2.1; 2.2.2
CVE-2015-6269
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2%
Aug 31
Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted (1) IPv4 or (2) IPv6 packet,…
Affected: 2.2.1; 2.2.2
CVE-2015-6273
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2%
Aug 29
Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment Reassembly (VFR) by certain firewall and NAT components, which allows remote…
Affected: 2.2.1; 2.2.2; 2.2.3; 3.1.0s; 3.1.1s
CVE-2015-6268
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1%
Aug 29
Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted IPv4 UDP packet, aka Bug ID…
Affected: 2.2.1; 2.2.2
CVE-2015-6267
–
2%
Aug 29
Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted L2TP packet, aka Bug IDs…
Affected: 2.2.1; 2.2.2
CVE-2015-4291
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2%
Aug 1
Cisco IOS XE 2.x before 2.4.3 and 2.5.x before 2.5.1 on ASR 1000 devices allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted…
Affected: 2.1.0; 2.1.1; 2.1.2; 2.2.1; 2.2.2; 2.2.3; +7 more
CVE-2015-4293
–
2%
Jul 30
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)…
Affected: 2.1.0; 2.1.1; 2.1.2; 2.2.1; 2.2.2; 2.2.3; +23 more
CVE-2015-0681
–
2%
Jul 24
The TFTP server in Cisco IOS 12.2(44)SQ1, 12.2(33)XN1, 12.4(25e)JAM1, 12.4(25e)JAO5m, 12.4(23)JY, 15.0(2)ED1, 15.0(2)EY3, 15.1(3)SVF4a, and 15.2(2)JB1 and IOS XE 2.5.x, 2.6.x,…
Affected: 2.5.0; 2.5.1; 2.5.2; 2.6.0; 2.6.1; 2.6.2; +34 more
CVE-2015-4243
–
1%
Jul 8
The PPPoE establishment implementation in Cisco IOS XE 3.5.0S on ASR 1000 devices allows remote attackers to cause a denial of service (device reload) by sending malformed PPPoE…
Affected: 3.5.0s
CVE-2015-0710
–
1%
Apr 29
The Overlay Transport Virtualization (OTV) implementation in Cisco IOS XE 3.10S allows remote attackers to cause a denial of service (device reload) via a series of packets that…
Affected: 3.10.0s; 3.10s.01
CVE-2015-0709
–
1%
Apr 29
Cisco IOS 15.5S and IOS XE allow remote authenticated users to cause a denial of service (device crash) by leveraging knowledge of the RADIUS secret and sending crafted RADIUS…
Affected: All versions, or not specified
CVE-2015-0708
–
1%
Apr 29
Cisco IOS 15.4S, 15.4SN, and 15.5S and IOS XE 3.13S and 3.14S allow remote attackers to cause a denial of service (device crash) by including an IA_NA option in a DHCPv6 Solicit…
Affected: 3.13s.0; 3.13s.1; 3.14s.0
CVE-2015-0688
–
2%
Apr 4
Cisco IOS XE 3.10.2S on an ASR 1000 device with an Embedded Services Processor (ESP) module, when NAT is enabled, allows remote attackers to cause a denial of service (module…
Affected: 13.10.2s
CVE-2015-0685
–
2%
Apr 3
Cisco IOS XE before 3.7.5S on ASR 1000 devices does not properly handle route adjacencies, which allows remote attackers to cause a denial of service (device hang) via crafted IP…
Affected: through 3.7s.4
CVE-2015-0650
–
2%
Mar 26
The Service Discovery Gateway (aka mDNS Gateway) in Cisco IOS 12.2, 12.4, 15.0, 15.1, 15.2, 15.3, and 15.4 and IOS XE 3.9.xS and 3.10.xS before 3.10.4S, 3.11.xS before 3.11.3S,…
Affected: 3.9s.0; 3.9s.1; 3.9s.2; 3.10s.0; 3.10s.0a; 3.10s.1; +10 more
CVE-2015-0646
–
4%
Mar 26
Memory leak in the TCP input module in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.3.xXO, 3.5.xE, 3.6.xE, 3.8.xS through 3.10.xS before 3.10.5S, and 3.11.xS and…
Affected: 3.3xo.0; 3.3xo.1; 3.3xo.2; 3.5e.0; 3.5e.1; 3.5e.2; +23 more
CVE-2015-0645
–
2%
Mar 26
The Layer 4 Redirect (L4R) feature in Cisco IOS XE 2.x and 3.x before 3.10.4S, 3.11 before 3.11.3S, 3.12 before 3.12.2S, 3.13 before 3.13.1S, 3.14 before 3.14.0S, and 3.15 before…
Affected: 3.1s.0; 3.1s.1; 3.1s.2; 3.1s.3; 3.1s.4; 3.1s.5; +34 more
CVE-2015-0644
–
3%
Mar 26
AppNav in Cisco IOS XE 3.8 through 3.10 before 3.10.3S, 3.11 before 3.11.3S, 3.12 before 3.12.1S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15 before 3.15.0S allows remote…
Affected: 3.8s.0; 3.8s.1; 3.8s.2; 3.8s_base; 3.9s.0; 3.9s.1; +9 more
CVE-2015-0643
–
3%
Mar 26
Cisco IOS 12.2, 12.4, 15.0, 15.1, 15.2, 15.3, and 15.4 and IOS XE 2.5.x, 2.6.x, 3.1.xS through 3.12.xS before 3.12.3S, 3.2.xE through 3.7.xE before 3.7.1E, 3.3.xSG, 3.4.xSG, and…
Affected: 3.2s.0; 3.2s.1; 3.2s.2; 3.3sg.0; 3.3sg.1; 3.3sg.2; +34 more
CVE-2015-0642
–
3%
Mar 26
Cisco IOS 12.2, 12.4, 15.0, 15.1, 15.2, 15.3, and 15.4 and IOS XE 2.5.x, 2.6.x, 3.1.xS through 3.12.xS before 3.12.3S, 3.2.xE through 3.7.xE before 3.7.1E, 3.3.xSG, 3.4.xSG, and…
Affected: 2.5.0; 2.5.1; 3.1s.0; 3.1s.1; 3.1s.2; 3.1s.3; +34 more
CVE-2015-0641
–
2%
Mar 26
Cisco IOS XE 2.x and 3.x before 3.9.0S, 3.10 before 3.10.0S, 3.11 before 3.11.0S, 3.12 before 3.12.0S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15 before 3.15.0S allows…
Affected: 3.1s.0; 3.1s.1; 3.1s.2; 3.1s.3; 3.1s.4; 3.1s.5; +34 more
CVE-2015-0640
–
2%
Mar 26
The high-speed logging (HSL) feature in Cisco IOS XE 2.x and 3.x before 3.10.4S, 3.11 before 3.11.3S, 3.12 before 3.12.1S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15…
Affected: 3.1s.0; 3.1s.1; 3.1s.2; 3.1s.3; 3.1s.4; 3.1s.5; +34 more
CVE-2015-0639
–
2%
Mar 26
The Common Flow Table (CFT) feature in Cisco IOS XE 3.6 and 3.7 before 3.7.1S, 3.8 before 3.8.0S, 3.9 before 3.9.0S, 3.10 before 3.10.0S, 3.11 before 3.11.0S, 3.12 before 3.12.0S,…
Affected: 3.6s; 3.6s.0; 3.6s.1; 3.6s.2; 3.7s; 3.7s.0; +5 more
CVE-2015-0637
–
2%
Mar 26
The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.10.xS through 3.13.xS before 3.13.1S allows remote…
Affected: 3.10s.0; 3.10s.1; 3.10s.2; 3.10s.3; 3.10s.4; 3.11s.0; +7 more
CVE-2015-0636
–
2%
Mar 26
The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.10.xS through 3.13.xS before 3.13.1S allows remote…
Affected: 3.10s.4; 3.12s.0; 3.12s.1; 3.12s.2; 3.12s.3; 3.13s.0
CVE-2015-0635
–
2%
Mar 26
The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.10.xS through 3.13.xS before 3.13.1S allows remote…
Affected: 3.10s.0; 3.10s.1; 3.10s.2; 3.10s.3; 3.10s.4; 3.10s.5; +8 more
CVE-2015-0598
–
1%
Mar 6
The RADIUS implementation in Cisco IOS and IOS XE allows remote attackers to cause a denial of service (device reload) via crafted IPv6 Attributes in Access-Accept packets, aka…
Affected: All versions, or not specified
CVE-2015-0632
–
1%
Feb 27
Race condition in the Neighbor Discovery (ND) protocol implementation in Cisco IOS and IOS XE allows remote attackers to cause a denial of service via a flood of Router…
Affected: All versions, or not specified
CVE-2014-7990
–
0%
Nov 7
Cisco IOS XE 3.5E and earlier on WS-C3850, WS-C3860, and AIR-CT5760 devices does not properly parse the "request system shell" challenge response, which allows local users to…
Affected: through 3.5e
CVE-2014-3409
–
1%
Oct 25
The Ethernet Connectivity Fault Management (CFM) handling feature in Cisco IOS 12.2(33)SRE9a and earlier and IOS XE 3.13S and earlier allows remote attackers to cause a denial of…
Affected: through 3.13s
CVE-2014-3405
–
1%
Oct 10
Cisco IOS XE enables the IPv6 Routing Protocol for Low-Power and Lossy Networks (aka RPL) on both the Autonomic Control Plane (ACP) and external Autonomic Networking…
Affected: All versions, or not specified
CVE-2014-3404
–
1%
Oct 10
The Autonomic Networking Infrastructure (ANI) component in Cisco IOS XE does not properly validate certificates, which allows remote attackers to trigger acceptance of an invalid…
Affected: All versions, or not specified
CVE-2014-3403
–
1%
Oct 10
The Autonomic Networking Infrastructure (ANI) component in Cisco IOS XE does not properly validate certificates, which allows remote attackers to spoof devices via crafted…
Affected: All versions, or not specified
CVE-2014-3360
–
3%
Sep 25
Cisco IOS 12.4 and 15.0 through 15.4 and IOS XE 3.1.xS, 3.2.xS, 3.3.xS, 3.4.xS, 3.5.xS, 3.6.xS, and 3.7.xS before 3.7.6S; 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S; and 3.11.xS…
Affected: 3.1.0s; 3.1.1s; 3.1.2s; 3.1.3s; 3.1.4s; 3.2.0s; +34 more
CVE-2014-3359
–
3%
Sep 25
Memory leak in Cisco IOS 15.1 through 15.4 and IOS XE 3.4.xS, 3.5.xS, 3.6.xS, and 3.7.xS before 3.7.6S; 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S; and 3.11.xS before 3.12S allows…
Affected: 3.4.0s; 3.4.1s; 3.4.2s; 3.4.3s; 3.4.4s; 3.4.5s; +24 more
CVE-2014-3358
–
3%
Sep 25
Memory leak in Cisco IOS 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.3.xSE before 3.3.2SE, 3.3.xXO before 3.3.1XO, 3.5.xE before 3.5.2E, and 3.11.xS before 3.11.1S allows remote…
Affected: 3.3(.0)xo; 3.3.0se; 3.3.1se; 3.5.0e; 3.5.1e; 3.11.0s
CVE-2014-3357
–
3%
Sep 25
Cisco IOS 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.3.xSE before 3.3.2SE, 3.3.xXO before 3.3.1XO, 3.5.xE before 3.5.2E, and 3.11.xS before 3.11.1S allow remote attackers to cause a…
Affected: 3.3(.0)xo; 3.3.0se; 3.3.1se; 3.5.0e; 3.5.1e; 3.11.0s
CVE-2014-3356
–
3%
Sep 25
The metadata flow feature in Cisco IOS 15.1 through 15.3 and IOS XE 3.3.xXO before 3.3.1XO, 3.6.xS and 3.7.xS before 3.7.6S, and 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S allows…
Affected: 3.3(.0)xo; 3.6.0s; 3.6.1s; 3.6.2s; 3.7(0)s; 3.7(1)as; +11 more
CVE-2014-3355
–
3%
Sep 25
The metadata flow feature in Cisco IOS 15.1 through 15.3 and IOS XE 3.3.xXO before 3.3.1XO, 3.6.xS and 3.7.xS before 3.7.6S, and 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S allows…
Affected: 3.3(.0)xo; 3.6.0s; 3.6.1s; 3.6.2s; 3.7(0)s; 3.7(1)as; +11 more
CVE-2014-3354
–
3%
Sep 25
Cisco IOS 12.0, 12.2, 12.4, 15.0, 15.1, 15.2, and 15.3 and IOS XE 2.x and 3.x before 3.7.4S; 3.2.xSE and 3.3.xSE before 3.3.2SE; 3.3.xSG and 3.4.xSG before 3.4.4SG; and 3.8.xS,…
Affected: 2.1; 2.1.0; 2.1.1; 2.1.2; 2.2; 2.2.1; +34 more
CVE-2014-3327
–
3%
Aug 11
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…
Affected: 3.2.00.xo.15.0(2)xo; 3.2.0xo; 3.3.0sg; 3.3.1sg; 3.4.0sg; 3.4.1sg; +6 more
CVE-2014-3309
–
2%
Jul 9
The NTP implementation in Cisco IOS and IOS XE does not properly support use of the access-group command for a "deny all" configuration, which allows remote attackers to bypass…
Affected: All versions, or not specified
CVE-2014-3290
–
1%
Jun 14
The mDNS implementation in Cisco IOS XE 3.12S does not properly interact with autonomic networking, which allows remote attackers to obtain sensitive networking-services…
Affected: 3.12s
CVE-2014-3284
–
1%
May 25
Cisco IOS XE on ASR1000 devices, when PPPoE termination is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed PPPoE packet, aka Bug ID…
Affected: All versions, or not specified
CVE-2014-3269
–
1%
May 20
The SNMP module in Cisco IOS XE 3.5E allows remote authenticated users to cause a denial of service (device reload) by polling frequently, aka Bug ID CSCug65204
Affected: 3.5e
CVE-2014-3262
–
2%
May 16
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…
Affected: All versions, or not specified
Page 10 of 10 · 500 total
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The 500 most important CVEs for this product (exploited first, then by severity)