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nx_os

Vendor: Cisco • 275 CVEs

CVEs (275)

CVE
VENDORS
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CVSS
1Cisco
5Nexus 7000
Nexus 7000 10 SlotNexus 7000 18 Slot+2 more
Apr 29, 2026
Apr 29, 2013
N/A· v4
N/A· v3
6.1 MEDIUM· v2
The Ethernet frame-forwarding implementation in Cisco NX-OS on Nexus 7000 devices allows remote attackers to cause a denial of service (forwarding loop and service outage) via a crafted frame, aka Bug ID CSCug47098.
1Cisco
12Nexus 3016q
Nexus 3048Nexus 3064t+9 more
Apr 29, 2026
Apr 25, 2013
N/A· v4
N/A· v3
7.8 HIGH· v2
Cisco NX-OS on Nexus 5500 devices 4.x and 5.x before 5.0(3)N2(2), Nexus 3000 devices 5.x before 5.0(3)U3(2), and Unified Computing System (UCS) 6200 devices before 2.0(1w) allows remote attackers to cause a denial of ser...Show more
Cisco NX-OS on Nexus 5500 devices 4.x and 5.x before 5.0(3)N2(2), Nexus 3000 devices 5.x before 5.0(3)U3(2), and Unified Computing System (UCS) 6200 devices before 2.0(1w) allows remote attackers to cause a denial of service (device reload) by sending a jumbo packet to the management interface, aka Bug IDs CSCtx17544, CSCts10593, and CSCtx95389.Show less
1Cisco
6Mds 9000
Nexus 7000Nexus 7000 10 Slot+3 more
Apr 29, 2026
Apr 25, 2013
N/A· v4
N/A· v3
9.0 HIGH· v2
Buffer overflow in the SNMP implementation in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(5) and 6.x before 6.1(1) and MDS 9000 devices 4.x and 5.x before 5.2(5) allows remote authenticated users to execute...Show more
Buffer overflow in the SNMP implementation in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(5) and 6.x before 6.1(1) and MDS 9000 devices 4.x and 5.x before 5.2(5) allows remote authenticated users to execute arbitrary code via a crafted SNMP request, aka Bug ID CSCtx54822.Show less
1Cisco
6Mds 9000
Nexus 7000Nexus 7000 10 Slot+3 more
Apr 29, 2026
Apr 25, 2013
N/A· v4
N/A· v3
9.0 HIGH· v2
Multiple buffer overflows in the (1) SNMP and (2) License Manager implementations in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(5) and 6.x before 6.1(1) and MDS 9000 devices 4.x and 5.x before 5.2(5) allow...Show more
Multiple buffer overflows in the (1) SNMP and (2) License Manager implementations in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(5) and 6.x before 6.1(1) and MDS 9000 devices 4.x and 5.x before 5.2(5) allow remote authenticated users to execute arbitrary code via a crafted SNMP request, aka Bug ID CSCtx54830.Show less
1Cisco
27Cg Os
Connected Grid Router 1000Mds 9000+24 more
Apr 29, 2026
Apr 25, 2013
N/A· v4
N/A· v3
8.3 HIGH· v2
Multiple buffer overflows in the Cisco Discovery Protocol (CDP) implementation in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(4) and 6.x before 6.1(1), Nexus 5000 and 5500 devices 4.x and 5.x before 5.1(3)N1...Show more
Multiple buffer overflows in the Cisco Discovery Protocol (CDP) implementation in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(4) and 6.x before 6.1(1), Nexus 5000 and 5500 devices 4.x and 5.x before 5.1(3)N1(1), Nexus 4000 devices before 4.1(2)E1(1h), Nexus 3000 devices 5.x before 5.0(3)U3(1), Nexus 1000V devices 4.x before 4.2(1)SV1(5.1), MDS 9000 devices 4.x and 5.x before 5.2(4), Unified Computing System (UCS) 6100 and 6200 devices before 2.0(2m), and Connected Grid Router (CGR) 1000 devices before CG4(1) allow remote attackers to execute arbitrary code via malformed CDP packets, aka Bug IDs CSCtu10630, CSCtu10551, CSCtu10550, CSCtw56581, CSCtu10548, CSCtu10544, and CSCuf61275.Show less
1Cisco
2Nexus 7000
Nx Os
Apr 29, 2026
Feb 13, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco NX-OS on the Nexus 7000, when a certain Overlay Transport Virtualization (OTV) configuration is used, allows remote attackers to cause a denial of service (M1-Series module reload) via crafted packets, aka Bug ID C...Show more
Cisco NX-OS on the Nexus 7000, when a certain Overlay Transport Virtualization (OTV) configuration is used, allows remote attackers to cause a denial of service (M1-Series module reload) via crafted packets, aka Bug ID CSCud15673.Show less
1Cisco
5Nexus 7000
Nexus 7000 10 SlotNexus 7000 18 Slot+2 more
Apr 29, 2026
Jan 19, 2013
N/A· v4
N/A· v3
4.9 MEDIUM· v2
Cisco NX-OS on Nexus 7000 series switches does not properly handle certain line-card replacements, which might allow remote authenticated users to cause a denial of service (memory consumption) via a crafted configuratio...Show more
Cisco NX-OS on Nexus 7000 series switches does not properly handle certain line-card replacements, which might allow remote authenticated users to cause a denial of service (memory consumption) via a crafted configuration that references interfaces that do not exist on the new card, aka Bug ID CSCud44300.Show less
1Cisco
5Nexus 7000
Nexus 7000 10 SlotNexus 7000 18 Slot+2 more
Apr 29, 2026
Sep 16, 2012
N/A· v4
N/A· v3
6.1 MEDIUM· v2
Cisco NX-OS 5.2 and 6.1 on Nexus 7000 series switches allows remote attackers to cause a denial of service (process crash or packet loss) via a large number of ARP packets, aka Bug ID CSCtr44822.
1Cisco
2Nexus 5000
Nx Os
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The igmp_snoop_orib_fill_source_update function in the IGMP process in NX-OS 5.0 and 5.1 on Cisco Nexus 5000 series switches allows remote attackers to cause a denial of service (device reload) via IGMP packets, aka Bug...Show more
The igmp_snoop_orib_fill_source_update function in the IGMP process in NX-OS 5.0 and 5.1 on Cisco Nexus 5000 series switches allows remote attackers to cause a denial of service (device reload) via IGMP packets, aka Bug ID CSCts46521.Show less
1Cisco
5Nexus 7000
Nexus 7000 10 SlotNexus 7000 18 Slot+2 more
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
7.8 HIGH· v2
Cisco NX-OS 4.2, 5.0, 5.1, and 5.2 on Nexus 7000 series switches, when the High Availability (HA) policy is configured for Reset, allows remote attackers to cause a denial of service (device reset) via a malformed Cisco...Show more
Cisco NX-OS 4.2, 5.0, 5.1, and 5.2 on Nexus 7000 series switches, when the High Availability (HA) policy is configured for Reset, allows remote attackers to cause a denial of service (device reset) via a malformed Cisco Discovery Protocol (CDP) packet, aka Bug IDs CSCtk34535 and CSCtk19132.Show less
1Cisco
12Nexus 2148t Fex Switch
Nexus 2224tp Fex SwitchNexus 2232pp Fex Switch+9 more
Apr 29, 2026
May 3, 2012
N/A· v4
N/A· v3
7.8 HIGH· v2
Memory leak in libcmd in Cisco NX-OS 5.0 on Nexus switches allows remote authenticated users to cause a denial of service (memory consumption) via SNMP requests, aka Bug ID CSCtr65682.
1Cisco
12Nexus 1000v
Nexus 5000Nexus 5010+9 more
Apr 29, 2026
Feb 16, 2012
N/A· v4
N/A· v3
7.8 HIGH· v2
Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches; 4.x and 5.0.x before 5.0(2)N1(1) on Nexus 5000 series switches; and 4.2.x before 4.2.8, 5.0.x before 5.0.5, and 5.1.x before 5.1.1 on Nexus 7000 ser...Show more
Cisco NX-OS 4.2.x before 4.2(1)SV1(5.1) on Nexus 1000v series switches; 4.x and 5.0.x before 5.0(2)N1(1) on Nexus 5000 series switches; and 4.2.x before 4.2.8, 5.0.x before 5.0.5, and 5.1.x before 5.1.1 on Nexus 7000 series switches allows remote attackers to cause a denial of service (netstack process crash and device reload) via a malformed IP packet, aka Bug IDs CSCti23447, CSCti49507, and CSCtj01991.Show less
1Cisco
3Nx Os
Unified Computing SystemUnified Computing System Infrastructure And Unified Computing System Software
Apr 29, 2026
Oct 27, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Cisco Nexus OS (aka NX-OS) 4.2 and 5.0 and Cisco Unified Computing System with software 1.4 and 2.0 do not properly restrict command-line options, which allows local users to gain privileges via unspecified vectors, aka...Show more
Cisco Nexus OS (aka NX-OS) 4.2 and 5.0 and Cisco Unified Computing System with software 1.4 and 2.0 do not properly restrict command-line options, which allows local users to gain privileges via unspecified vectors, aka Bug IDs CSCtf40008, CSCtg18363, CSCtr44645, CSCts10195, and CSCts10188.Show less
1Cisco
3Nexus 3000
Nexus 5000Nx Os
Apr 29, 2026
Sep 14, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The ACL implementation in Cisco NX-OS 5.0(2) and 5.0(3) before 5.0(3)N2(1) on Nexus 5000 series switches, and NX-OS before 5.0(3)U1(2a) on Nexus 3000 series switches, does not properly handle comments in conjunction with...Show more
The ACL implementation in Cisco NX-OS 5.0(2) and 5.0(3) before 5.0(3)N2(1) on Nexus 5000 series switches, and NX-OS before 5.0(3)U1(2a) on Nexus 3000 series switches, does not properly handle comments in conjunction with deny statements, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by sending packets, aka Bug IDs CSCto09813 and CSCtr61490.Show less
1Cisco
3Nexus 5000
Nexus 7000Nx Os
Apr 23, 2026
Sep 8, 2009
N/A· v4
N/A· v3
7.8 HIGH· v2
Unspecified vulnerability in Cisco NX-OS before 4.0(1a)N2(1), when running on Nexus 5000 platforms, allows remote attackers to cause a denial of service (crash) via an unspecified "sequence of TCP packets" related to "TC...Show more
Unspecified vulnerability in Cisco NX-OS before 4.0(1a)N2(1), when running on Nexus 5000 platforms, allows remote attackers to cause a denial of service (crash) via an unspecified "sequence of TCP packets" related to "TCP State manipulation," possibly related to separate attacks against CVE-2008-4609.Show less