Vulnerability in Arista Eos
CVE-2019-18948
An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Arista Eos — versions 4.15, 4.16, 4.17
References
- www.arista.com/en/support/advisories-notices/security-advisories/10292-security… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-18948?
- CVE-2019-18948 is a high-severity vulnerability in Arista Eos. CVSS score: 7.5/10. Published 2020-04-16.
- How severe is CVE-2019-18948?
- High severity. CVSS v3 base score is 7.5 out of 10.