CVE-2018-14008
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.
- Record
CVE-2018-14008- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.
- Record
CVE-2018-14008- Updated
- 2026-11-02
EUVDEUVD-2018-5940 No score
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.
- Record
EUVD-2018-5940- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fq5f-cfqm-mrrq
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.
Arista EOS through 4.21.0F allows a crash because 802.1x authentication is mishandled.
- Record
GHSA-fq5f-cfqm-mrrq- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-14008 is a medium vulnerability (CVSS 6.5) in Arista Eos, published August 15, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.