EO
Product
Eos
by Arista · last CVE Jun 5, 2026
On CISA KEVExploited in the wild
46
CVEs
3
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 7High 17Medium 14Low 4
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Add Eos to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2014-7169
In wildKEV
9.8
100%
Sep 25
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
Affected: 4.9.0 before 4.9.12; 4.10.0 before 4.10.9; 4.11.0 before 4.11.11; 4.12.0 before 4.12.9; 4.13.0 before 4.13.9; 4.14.0 before 4.14.4f
CVE-2014-6271
In wildKEV
9.8
100%
Sep 24
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
Affected: 4.9.0 before 4.9.12; 4.10.0 before 4.10.9; 4.11.0 before 4.11.11; 4.12.0 before 4.12.9; 4.13.0 before 4.13.9; 4.14.0 before 4.14.4f
CVE-2026-7473
In wildKEV
5.8
1%
Jun 5
Arista EOS Unexpected Tunnel Protocol Decapsulation and Forwarding Bypass
Affected: All versions, or not specified
CVE-2021-28503
9.8
1%
Feb 4
The impact of this vulnerability is that Arista's EOS eAPI may skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to…
Affected: 4.22 through 4.22.9m; 4.23 through 4.23.9; 4.24 through 4.24.7; 4.25 through 4.25.5; 4.26 through 4.26.2
CVE-2020-10188
9.8
74%
Mar 6
utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the…
Affected: through 4.20.15; 4.21.0 through 4.21.10m; 4.22 through 4.22.4m; 4.23 through 4.23.3m; 4.24.0f
CVE-2017-18017
9.8
53%
Jan 3
The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before 4.11, and 4.9.x before 4.9.36, allows remote attackers to cause a denial of service…
Affected: 4.20.1fx-virtual-router
CVE-2017-14491
9.8
86%
Oct 4
Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted DNS response
Affected: through 4.15; 4.16 before 4.16.13m; 4.17 before 4.17.8m; 4.18 through 4.18.4.2f
CVE-2021-28506
9.1
1%
Jan 14
An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the…
Affected: 4.24.0 through 4.24.7m; 4.25.0 through 4.25.3; 4.25.4 through 4.25.4m; 4.25.5 through 4.25.5.1m; 4.26.0 through 4.26.2f
CVE-2024-6387
8.1
100%
Jul 1
Openssh: regresshion - race condition in ssh allows rce/dos
Affected: 4.32.0 through 4.32.1f
CVE-2023-24509
7.8
0%
Apr 13
On affected modular platforms running Arista EOS equipped with both redundant supervisor modules and having the redundancy protocol configured with RPR or SSO, an existing…
Affected: 4.23 through 4.23.13m; 4.24.0 before 4.24.11m; 4.25.0 before 4.25.10m; 4.26.0 before 4.26.9m; 4.27.0 before 4.27.7m; 4.28.0 before 4.28.4m
CVE-2021-28500
7.8
1%
Jan 14
An issue has recently been discovered in Arista EOS where the incorrect use of EOS's AAA API’s by the OpenConfig and TerminAttr agents could result in unrestricted access to the…
Affected: before 4.20; 4.21.0 through 4.21.14m; 4.22.0 through 4.22.11m; 4.23.0 through 4.23.8m; 4.24.6.0 through 4.24.6m; 4.25.0 through 4.25.4m; +1 more
CVE-2023-3646
7.5
1%
Aug 29
On affected platforms running Arista EOS with mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload
Affected: 4.28.2f through 4.28.5.1m; 4.29.0 before 4.29.2f
CVE-2023-24510
7.5
1%
Jun 5
On the affected platforms running EOS, a malformed DHCP packet might cause the DHCP relay agent to restart
Affected: through 4.25.10m; 4.26.0 before 4.26.10m; 4.27.0 before 4.27.10m; 4.28.0 before 4.28.7m; 4.29.0 before 4.29.2f
CVE-2023-24511
7.5
1%
Apr 12
On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process
Affected: 4.26.0 before 4.26.10m; 4.27.0 before 4.27.9m; 4.28.0 before 4.28.6m; 4.29.0 before 4.29.2f
CVE-2021-28510
7.5
1%
Jan 26
For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) causes the PTP agent to restart
Affected: before 4.23.10; 4.24.0 before 4.24.8; 4.25.0 before 4.25.6; 4.26.0 before 4.26.4; 4.27.0 before 4.27.1
CVE-2021-28505
7.5
1%
Apr 14
On affected Arista EOS platforms, if a VXLAN match rule exists in an IPv4 access-list that is applied to the ingress of an L2 or an L3 port/SVI, the VXLAN rule and subsequent ACL…
Affected: 4.26 before 4.26.4m; 4.27 before 4.27.1f
CVE-2021-28504
7.5
1%
Apr 1
On Arista Strata family products which have “TCAM profile” feature enabled when Port IPv4 access-list has a rule which matches on “vxlan” as protocol then that rule and subsequent…
Affected: 4.26 before 4.26.4m; 4.27 before 4.27.1f
CVE-2020-15897
7.5
1%
Oct 26
Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause traffic loss or incorrect forwarding of…
Affected: before 4.21.12m; 4.22 before 4.22.7m; 4.23 before 4.23.5m; 4.24 before 4.24.2f
CVE-2020-17355
7.5
1%
Oct 21
Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause a denial of service (restart of agents) by…
Affected: 4.21.0 before 4.21.12m; 4.22 before 4.22.7m; 4.23 before 4.23.5m; 4.24.0 before 4.24.2f
CVE-2019-18948
7.5
1%
Apr 16
An issue was found in Arista EOS
Affected: 4.21.0 through 4.21.8m; 4.22.0 through 4.22.3m; 4.23.0 through 4.23.1f; 4.15; 4.16; 4.17; +3 more
CVE-2019-17596
7.5
5%
Oct 24
Go before 1.12.11 and 1.3.x before 1.13.2 can panic upon an attempt to process network traffic containing an invalid DSA public key
Affected: through 4.23.1f
CVE-2018-5254
7.5
1%
Apr 12
Arista EOS before 4.20.2F allows remote BGP peers to cause a denial of service (Rib agent restart) via a malformed path attribute in an UPDATE message
Affected: before 4.20.2f
CVE-2015-6855
7.5
4%
Nov 6
hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other…
Affected: All versions, or not specified
CVE-2020-24360
7.4
1%
Dec 28
An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series of products may result in issues that cause a kernel crash, followed by a device reload
Affected: 4.22.0f through 4.22.6m; 4.23.0f through 4.23.4m; 4.24.0f through 4.24.2.4f
CVE-2021-28507
7.1
1%
Jan 14
An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed,…
Affected: 4.23.0 through 4.23.9m; 4.24.0 through 4.24.7m; 4.25.0 through 4.25.3; 4.25.4 through 4.25.4m; 4.25.5 through 4.25.5.1m; 4.26.0 through 4.26.2f; +5 more
CVE-2023-24548
6.5
0%
Aug 29
On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be…
Affected: 4.22.1f through 4.22.13m; 4.23.0 through 4.23.14m; 4.24.0 through 4.24.11m; 4.25.0f
CVE-2023-24512
6.5
1%
Apr 25
On affected platforms running Arista EOS, an authorized attacker with permissions to perform gNMI requests could craft a request allowing it to update arbitrary configurations in…
Affected: 4.26.0 before 4.26.10m; 4.27.0 before 4.27.9m; 4.28.0 before 4.28.6m; 4.29.0 before 4.29.2f
CVE-2021-28511
6.5
1%
Aug 5
This advisory documents the impact of an internally found vulnerability in Arista EOS for security ACL bypass. The impact of this vulnerability is that the security ACL drop rule might be bypassed if a NAT ACL rule filter with permit action matches t ...
Affected: through 4.24.9; 4.25.0 through 4.25.8; 4.26.0 through 4.26.5; 4.27.0 through 4.27.3
CVE-2021-28496
6.5
0%
Oct 21
On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding…
Affected: 4.22 through 4.22.7m; 4.23 before 4.23.10; 4.24 before 4.24.8; 4.25 before 4.25.5; 4.26 before 4.26.2
CVE-2015-5745
6.5
3%
Jan 23
Buffer overflow in the send_control_msg function in hw/char/virtio-serial-bus.c in QEMU before 2.4.0 allows guest users to cause a denial of service (QEMU process crash) via a…
Affected: 4.12; 4.13; 4.14; 4.15
CVE-2015-5278
6.5
2%
Jan 23
The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a denial of service (infinite loop and instance crash) or possibly execute…
Affected: 4.12; 4.13; 4.14; 4.15
CVE-2015-5239
6.5
4%
Jan 23
Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an…
Affected: 4.12; 4.13; 4.14; 4.15
CVE-2018-14008
6.5
1%
Aug 15
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled
Affected: through 4.21.0f
CVE-2018-5255
6.5
1%
Mar 5
The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets
Affected: 4.19 before 4.19.4m; 4.20 before 4.20.2f
CVE-2021-28509
6.1
0%
May 26
This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols
Affected: 4.23 through 4.23.11; 4.24 before 4.24.10; 4.25 before 4.25.8; 4.26 before 4.26.6; 4.27 before 4.27.4; 4.23 through 4.23.11; +24 more
CVE-2021-28508
6.1
1%
May 26
This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols
Affected: 4.23 through 4.23.11; 4.24 before 4.24.10; 4.25 before 4.25.8; 4.26 before 4.26.6; 4.27 before 4.27.2; 4.23 through 4.23.11; +24 more
CVE-2020-26569
5.9
1%
Dec 28
In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries
Affected: 4.21.0f through 4.21.12m; 4.22.0f through 4.22.7m; 4.23.0f through 4.23.5m; 4.24.0f through 4.24.2f
CVE-2020-15898
5.3
1%
Dec 28
In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction
Affected: 4.21.0f through 4.21.4.1f; 4.21.0f through 4.21.11m; 4.22.0f through 4.22.6m; 4.23.0f through 4.23.4m; 4.24.0f through 4.24.2.1f
CVE-2020-25686
3.7
5%
Jan 20
A flaw was found in dnsmasq before version 2.83
Affected: 4.21 before 4.21.14m; 4.22 before 4.22.9m; 4.23 before 4.23.7m; 4.24 before 4.24.5m; 4.25 before 4.25.2f
CVE-2020-25685
3.7
2%
Jan 20
A flaw was found in dnsmasq before version 2.83
Affected: 4.21 before 4.21.14m; 4.22 before 4.22.9m; 4.23 before 4.23.7m; 4.24 before 4.24.5m; 4.25 before 4.25.2f
CVE-2020-25684
3.7
4%
Jan 20
A flaw was found in dnsmasq before version 2.83
Affected: 4.21 before 4.21.14m; 4.22 before 4.22.9m; 4.23 before 4.23.7m; 4.24 before 4.24.5m; 4.25 before 4.25.2f
CVE-2015-6815
3.5
1%
Jan 31
The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to…
Affected: 4.12; 4.13; 4.14; 4.15
CVE-2015-8236
–
4%
Nov 19
Arista EOS before 4.11.12, 4.12 before 4.12.11, 4.13 before 4.13.14M, 4.14 before 4.14.5FX.5, and 4.15 before 4.15.0FX1.1 allows remote attackers to execute arbitrary code as root…
Affected: through 4.11.11; 4.12.5.2; 4.12.6.1; 4.12.7.1; 4.12.8; 4.12.8.1; +34 more
CVE-2015-3214
–
2%
Aug 31
The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS…
Affected: 4.12; 4.13; 4.14; 4.15
CVE-2015-5165
–
13%
Aug 12
The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used in Xen 4.5.x and earlier, allows remote attackers to read process heap memory via…
Affected: 4.12; 4.13; 4.14; 4.15
CVE-2015-3209
–
10%
Jun 15
Heap-based buffer overflow in the PCNET controller in QEMU allows remote attackers to execute arbitrary code by sending a packet with TXSTATUS_STARTPACKET set and then a crafted…
Affected: 4.12; 4.13; 4.14; 4.15
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