CVE-2023-5502
8.2
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and routing enabled on the access VLAN of the ports, a malicious supplicant may be able to bypass the requirement to perform 802.1x authentication.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Arista Networks | EOS | 4.31.0 <= 4.31.0F | affected |
| Arista Networks | EOS | 4.30.0 <= 4.30.4M | affected |
| Arista Networks | EOS | 4.29.0 <= 4.29.6M | affected |
| Arista Networks | EOS | 4.28.0 <= 4.28.8M | affected |
| Arista Networks | EOS | 4.27.0 <= 4.27.11M | affected |
| Arista Networks | EOS | 4.26.0 <= 4.26.11M | affected |
| Arista Networks | EOS | 4.25.0 <= 4.25.11M | affected |
| Arista Networks | EOS | 4.24.0 <= 4.24.11M | affected |
Weaknesses
- CWE-287: CWE-287 Improper Authentication
Workarounds
Mitigation of this vulnerability requires disabling dot1x. Dot1x can be disabled globally using the following command:
no dot1x system-auth-control
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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