Advisories · Technology
Arista Networks EOS.
Every CVE that names Arista Networks EOS among its affected products, newest first. Vendors and products are as the CNA wrote them; check the affected versions on each record.
- CVSS 7.1 High
On affected platforms running Arista EOS with IGMP (Internet Group Management Protocol) snooping configured (enabled by default on all VLANs), a network-adjacent unauthenticated attacker can send mal…
- Arista Networks EOS
- Memory corruption
- CVSS 6.0 Medium
Under certain circumstances, the gNPSI client credentials might be logged in clear text, in local or remote accounting logs to authenticated users.
- Arista Networks EOS
- Information disclosure
- CVSS 9.2 CriticalCritical · CVSS 9+
Under certain circumstances, an unauthenticated gNPSI client can craft a malicious request to allow arbitrary code execution, granting an attacker full administrative control over the compromised swi…
- Arista Networks EOS
- Code injection
- CVSS 2.1 Low
On affected platforms running Arista EOS with VRRP enabled, the peer device VRRP authentication credentials are logged in cleartext on the switch, allowing an authenticated user with sufficient privi…
- Arista Networks EOS
- Information disclosure
- CVSS 5.3 Medium
On affected platforms running Arista EOS with VRRPv2 IP-AH authentication configured, an unauthenticated attacker within the same layer 2 network segment on which VRRP is running can capture a legiti…
- Arista Networks EOS
- Authentication bypass
- CVSS 6.0 Medium
Security Advisory 0177
- Arista Networks EOS
- CWE-20
- CVSS 7.1 High
Security Advisory 0175
- Arista Networks EOS
- CWE-670
- CVSS 2.3 Low
Security Advisory 0178
- Arista Networks EOS
- CWE-212
- CVSS 6.9 Medium
Security Advisory 0176
- Arista Networks EOS
- Broken access control
- CVSS 9.5 CriticalCritical · CVSS 9+
Security Advisory 0174
- Arista Networks EOS
- Code injection
- CVSS 8.9 High
Security Advisory 0173
- Arista Networks EOS
- CWE-130
- CVSS 7.0 High
Security Advisory 0172
- Arista Networks EOS
- Denial of service
- CVSS 6.0 Medium
Security Advisory 0171
- Arista Networks EOS
- Memory corruption
- CWE-1284
- CVSS 7.0 High
Security Advisory 0171
- Arista Networks EOS
- CWE-345
- CVSS 2.3 Low
Security Advisory 0170
- Arista Networks EOS
- Broken access control
- CVSS 6.0 Medium
Security Advisory 0169
- Arista Networks EOS
- Race condition
- CVSS 6.9 Medium
Security Advisory 0167
- Arista Networks EOS
- CWE-20
- CVSS 5.1 Medium
Security Advisory 0168
- Arista Networks EOS
- CWE-256
- CVSS 8.7 High
Security Advisory 0166
- Arista Networks EOS
- Code injection
- CVSS 8.6 High
Security Advisory 0165
- Arista Networks EOS
- Command injection
- CVSS 7.7 High
Security Advisory 0164
- Arista Networks EOS
- CWE-842
- CVSS 9.4 CriticalCritical · CVSS 9+
Security Advisory 0163
- Arista Networks EOS
- Privilege escalation
- CVSS 9.4 CriticalCritical · CVSS 9+
Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request
- Arista Networks EOS
- Command injection
- CVSS 7.0 High
Security Advisory 0161
- Arista Networks EOS
- CWE-345
- CVSS 7.0 High
Security Advisory 0160
- Arista Networks EOS
- Broken access control
- CVSS 7.0 High
Security Advisory 0160
- Arista Networks EOS
- CWE-354
- CVSS 7.0 High
Security Advisory 0160
- Arista Networks EOS
- CWE-696
- CVSS 5.3 Medium
On affected platforms running Arista EOS with VRRPv2 IP Authentication Header (IP-AH) authentication configured, an unauthenticated attacker with access to the layer 2 network segment on which VRRP i…
- Arista Networks EOS
- Authentication bypass
- CVSS 6.5 Medium
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay configured, an unauthenticated attacker with network access could send a crafted DHCP reply packet from…
- Arista Networks EOS
- CWE-345
- CVSS 7.1 High
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay/snooping configured with the information option (Option 82), or with the DHCP server configured with mat…
- Arista Networks EOS
- CWE-20
- CVSS 9.2 CriticalCritical · CVSS 9+
On affected platforms running Arista EOS with authenticated Bidirectional Forwarding Detection (BFD) sessions configured, a specially crafted packet can cause the BFD session(s) to go down. This may…
- Arista Networks EOS
- Authentication bypass
- CVSS 6.0 Medium
On affected platforms running Arista EOS, under certain circumstances plaintext shared secrets for configured Terminal Access Controller Access-Control System Plus (TACACS+) servers
- Arista Networks EOS
- Information disclosure
- CVSS 6.0 Medium
On affected platforms running Arista EOS, under certain circumstances plaintext user passwords
- Arista Networks EOS
- Information disclosure
- CVSS 6.0 Medium
On affected platforms running Arista EOS, under certain circumstances plaintext private keys
- Arista Networks EOS
- Information disclosure
- CVSS 6.9 Medium
On affected platforms running Arista EOS with password authentication configured, a specially crafted password can create orphan authentication sessions. Repeated exploitation of this issue can exhau…
- Arista Networks EOS
- CWE-116
- CVSS 6.3 Medium
On affected platforms running Arista EOS with dual switch cards and with ingress Security ACLs configured on Switched Virtual Interfaces (SVI) in shared mode, restarting of the secondary switchcard f…
- Arista Networks EOS
- CWE-1419
- CVSS 2.1 Low
A race condition may cause a supplicant to remain in an authorized state after a clear dot1x host all command is issued.
- Arista Networks EOS
- CWE-459
- CVSS 5.6 Medium
A race condition during supplicant re-authentication may leave a stale ACL entry that persists in the system. If the AclAgent subsequently restarts, this stale entry may be applied to new supplicants…
- Arista Networks EOS
- CWE-459
- CVSS 2.1 Low
A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this windo…
- Arista Networks EOS
- CWE-459
- CVSS 2.1 Low
All of the CVEs covered in this advisory apply to affected platforms running Arista EOS with 802.1X authentication and authorization enabled and Access Control Lists (ACLs) configured for per-supplic…
- Arista Networks EOS
- Broken access control
- CVSS 5.9 Medium
On affected platforms running Arista EOS with both 802.1X port authentication and the RADIUS proxy feature configured with dynamic authorization, a low-privileged attacker on an adjacent network segm…
- Arista Networks EOS
- Authentication bypass
- CVSS 8.2 High
Arista EOS IPsec Tunnel Sequence Number Mismatch via Interface Flaps when Anti-Replay is Disabled
- Arista Networks EOS
- CWE-672
- CVSS 6.9 MediumCritical · KEVKEV
Arista EOS Unexpected Tunnel Protocol Decapsulation and Forwarding Bypass
- Arista Networks EOS
- CWE-1023
- CVSS 8.7 High
Arista EOS Dataplane Denial of Service via Malformed IPsec Packet
- Arista Networks EOS
- CWE-1286
- CVSS 8.2 High
On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, a malicious supplicant may bypass authentication.
- Arista Networks EOS
- Authentication bypass
- CVSS 7.2 High
On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (SSL Profiles Enabled).
- Arista Networks EOS
- Authentication bypass
- CVSS 7.2 High
On affected platforms running Arista EOS with OpenConfig configured, a gNMI Set request can be run when it should have been rejected (No SSL Profiles Enabled).
- Arista Networks EOS
- Authentication bypass
- CVSS 6.9 Medium
On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the ACL policies may not be enforced for packets egressing on those ports.
- Arista Networks EOS
- Broken access control
- CVSS 6.5 Medium
In Arista’s EOS when in 802.1X mode, multi-auth unauthenticated hosts might be allowed access to a switch port if there exists an EAPOL capable device in the fallback VLAN.
- Arista Networks EOS
- CWE-1287
- CVSS 5.3 Medium
On affected platforms running Arista EOS with MACsec configuration, a specially crafted packet can cause the MACsec process to terminate unexpectedly. Continuous receipt of these packets with certain…
- Arista Networks EOS
- Memory corruption
- CVSS 7.1 High
A specially crafted packet can cause the OSFPv3 process to have high CPU utilization which may result in the OSFPv3 process being restarted
- Arista Networks EOS
- Denial of service
- CVSS 5.6 Medium
On affected platforms running Arista EOS, certain serial console input might result in an unexpected reload of the device.
- Arista Networks EOS
- CWE-248
- CVSS 7.5 High
On affected platforms running Arista EOS, maliciously formed UDP packets with source port 3503 may be accepted by EOS. UDP Port 3503 is associated with LspPing Echo Reply. This can result in unexpect…
- Arista Networks EOS
- Authentication bypass
- CVSS 3.8 Low
On affected platforms running Arista EOS, the global common encryption key configuration may be logged in clear text, in local or remote accounting logs. Knowledge of both the encryption key and prot…
- Arista Networks EOS
- Information disclosure
- CVSS 2.6 Low
n affected platforms running Arista EOS, ACL policies may not be enforced. IPv4 ingress ACL, MAC ingress ACL, or IPv6 standard ingress ACL enabled on one or more ethernet or LAG interfaces may result…
- Arista Networks EOS
- CWE-1284
- CVSS 5.3 Medium
On affected platforms with hardware IPSec support running Arista EOS with IPsec enabled and anti-replay protection configured, EOS may exhibit unexpected behavior in specific cases. Received duplicat…
- Arista Networks EOS
- CVSS 6.5 Medium
On affected platforms running Arista EOS, ingress traffic on Layer 2 ports may, under certain conditions, be improperly forwarded to ports associated with different VLANs, resulting in a breach of VL…
- Arista Networks EOS
- CVSS 7.5 High
On affected platforms running Arista EOS with Traffic Policies configured the vulnerability will cause received untagged packets not to hit Traffic Policy rules that they are expected to hit. If the…
- Arista Networks EOS
- CWE-1284
- CVSS 6.5 Medium
On affected platforms running Arista EOS with a gNMI transport enabled, running the gNOI File TransferToRemote RPC with credentials for a remote server may cause these remote-server credentials to be…
- Arista Networks EOS
- CWE-256
- CVSS 5.3 Medium
On affected platforms running Arista EOS with 802.1X configured, certain conditions may occur where a dynamic ACL is received from the AAA server resulting in only the first line of the ACL being ins…
- Arista Networks EOS
- CWE-1284