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Ios Xe

ios_xe

Vendor: Cisco • 541 CVEs

CVEs (541)

CVE
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CVSS
1Cisco
6Ios
Ios XeIos Xe 3.2ja+3 more
May 6, 2026
Oct 5, 2016
N/A· v4
8.1 HIGH· v3
8.3 HIGH· v2
The DNS forwarder in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.15 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (data corruption...Show more
The DNS forwarder in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.15 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (data corruption or device reload) via a crafted DNS response, aka Bug ID CSCup90532.Show less
1Cisco
2Ios
Ios Xe
May 6, 2026
Oct 5, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS 12.2 and IOS XE 3.14 through 3.16 and 16.1 allow remote attackers to cause a denial of service (device reload) via crafted IP Detail Record (IPDR) packets, aka Bug ID CSCuu35089.
1Cisco
1Ios Xe
May 6, 2026
Oct 5, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS XE 3.1 through 3.17 and 16.1 through 16.2 allows remote attackers to cause a denial of service (device reload) via crafted ICMP packets that require NAT, aka Bug ID CSCuw85853.
1Cisco
2Ios
Ios Xe
May 6, 2026
Oct 5, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS 12.2 and 15.0 through 15.3 and IOS XE 3.1 through 3.9 allow remote attackers to cause a denial of service (device restart) via a crafted IPv4 Multicast Source Discovery Protocol (MSDP) Source-Active (SA) messag...Show more
Cisco IOS 12.2 and 15.0 through 15.3 and IOS XE 3.1 through 3.9 allow remote attackers to cause a denial of service (device restart) via a crafted IPv4 Multicast Source Discovery Protocol (MSDP) Source-Active (SA) message, aka Bug ID CSCud36767.Show less
1Cisco
6Ios Xe
Ios Xe 16.1Ios Xe 3.2ja+3 more
May 6, 2026
Oct 5, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS XE 3.1 through 3.17 and 16.1 on 64-bit platforms allows remote attackers to cause a denial of service (data-structure corruption and device reload) via fragmented IPv4 packets, aka Bug ID CSCux66005.
1Cisco
2Ios
Ios Xe
May 6, 2026
Oct 5, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS 12.2 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.17 and 16.2 allow remote attackers to cause a denial of service (device reload) via crafted fields in an H.323 message, aka Bug ID CSCux04257.
1Cisco
2Ios
Ios Xe
May 6, 2026
Oct 5, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS 15.2 through 15.6 and IOS XE 3.6 through 3.17 and 16.1 allow remote attackers to cause a denial of service (device restart) via a malformed IPv6 Protocol Independent Multicast (PIM) register packet, aka Bug ID...Show more
Cisco IOS 15.2 through 15.6 and IOS XE 3.6 through 3.17 and 16.1 allow remote attackers to cause a denial of service (device restart) via a malformed IPv6 Protocol Independent Multicast (PIM) register packet, aka Bug ID CSCuy16399.Show less
1Cisco
6Ios
Ios XeIos Xe 16.1+3 more
May 6, 2026
Oct 5, 2016
N/A· v4
7.5 HIGH· v3
7.1 HIGH· v2
Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.
1Cisco
2Ios
Ios Xe
May 6, 2026
Sep 22, 2016
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intende...Show more
The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847.Show less
1Cisco
3Ios
Ios XeIos Xr
Apr 22, 2026
Sep 19, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5.2.x, and PIX before 7.0 allows remote attackers to obtain sensitive information...Show more
The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5.2.x, and PIX before 7.0 allows remote attackers to obtain sensitive information from device memory via a Security Association (SA) negotiation request, aka Bug IDs CSCvb29204 and CSCvb36055 or BENIGNCERTAIN.Show less
1Cisco
2Ios
Ios Xe
May 6, 2026
Jul 17, 2016
N/A· v4
5.3 MEDIUM· v3
4.9 MEDIUM· v2
Cisco IOS 12.4 and 15.0 through 15.5 and IOS XE 3.13 through 3.17 allow remote authenticated users to cause a denial of service (device reload) via crafted attributes in a BGP message, aka Bug ID CSCuz21061.
1Cisco
1Ios Xe
May 6, 2026
Jun 23, 2016
N/A· v4
6.5 MEDIUM· v3
6.8 MEDIUM· v2
Double free vulnerability in Cisco IOS XE 3.15S, 3.16S, and 3.17S allows remote authenticated users to cause a denial of service (device restart) via a sequence of crafted SNMP read requests, aka Bug ID CSCux13174.
1Cisco
1Ios Xe
May 6, 2026
Jun 18, 2016
N/A· v4
6.5 MEDIUM· v3
6.8 MEDIUM· v2
Cisco IOS XE 3.15S and 3.16S on cBR-8 Converged Broadband Router devices allows remote authenticated users to cause a denial of service (NULL pointer dereference and card restart) via a crafted SNMP request, aka Bug ID C...Show more
Cisco IOS XE 3.15S and 3.16S on cBR-8 Converged Broadband Router devices allows remote authenticated users to cause a denial of service (NULL pointer dereference and card restart) via a crafted SNMP request, aka Bug ID CSCuu68862.Show less
1Cisco
4Ios
Ios XeIos Xr+1 more
May 6, 2026
May 29, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
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 outag...Show more
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.Show less
1Cisco
14Adaptive Security Appliance Software
Dx Series Ip Phones FirmwareIos Xe+11 more
May 6, 2026
Apr 21, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
The encryption-processing feature in Cisco libSRTP before 1.5.3 allows remote attackers to cause a denial of service via crafted fields in SRTP packets, aka Bug ID CSCux00686.
1Cisco
2Ios
Ios Xe
May 6, 2026
Apr 20, 2016
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
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.
6Cisco
LenovoSamsung+3 more
6Gs1900 10hp Firmware
Ios XeKeymouse Firmware+3 more
May 6, 2026
Mar 26, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS 15.3 and 15.4, Cisco IOS XE 3.8 through 3.11, and Cisco Unified Communications Manager allow remote attackers to cause a denial of service (device reload) via malformed SIP messages, aka Bug ID CSCuj23293.
7Cisco
IntelNetgear+4 more
7Core I5 9400f Firmware
Gs1900 10hp FirmwareIos Xe+4 more
May 6, 2026
Mar 26, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
The Smart Install client implementation in Cisco IOS 12.2, 15.0, and 15.2 and IOS XE 3.2 through 3.7 allows remote attackers to cause a denial of service (device reload) via crafted image list parameters in a Smart Insta...Show more
The Smart Install client implementation in Cisco IOS 12.2, 15.0, and 15.2 and IOS XE 3.2 through 3.7 allows remote attackers to cause a denial of service (device reload) via crafted image list parameters in a Smart Install packet, aka Bug ID CSCuv45410.Show less
6Cisco
NetgearSamsung+3 more
6Gs1900 10hp Firmware
Ios XeJr6150 Firmware+3 more
May 6, 2026
Mar 26, 2016
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Cisco IOS 15.0 through 15.5 and IOS XE 3.3 through 3.16 allow remote attackers to cause a denial of service (device reload) via a crafted DHCPv6 Relay message, aka Bug ID CSCus55821.
7Cisco
LenovoNetgear+4 more
7Gs1900 10hp Firmware
Ios XeJr6150 Firmware+4 more
May 6, 2026
Mar 26, 2016
N/A· v4
5.9 MEDIUM· v3
7.1 HIGH· v2
The IKEv2 implementation in Cisco IOS 15.0 through 15.6 and IOS XE 3.3 through 3.17 allows remote attackers to cause a denial of service (device reload) via fragmented packets, aka Bug ID CSCux38417.