An issue with ARP packets in Arista’s EOS affecting the 7800R3, 7500R3, and 7280R3 series…
Priority LOW 34CWE-404Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-404.
Summary
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. The affected Arista EOS versions are: 4.24.2.4F and below releases in the 4.24.x train; 4.23.4M and below releases in the 4.23.x train; 4.22.6M and below releases in the 4.22.x train.
Why it matters now
EPSS 0.00661 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 27
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* | 4.22.0f – 4.22.6m; 4.23.0f – 4.23.4m; 4.24.0f – 4.24.2.4f | Vulnerable | Arista |
| cpe:2.3:h:arista:7280cr2ak-30:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280cr2k-60:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280cr3-32d4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280cr3-32p4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280cr3-96:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280cr3k-32d4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280cr3k-32p4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280cr3k-96:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280dr3-24:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
- cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* Versions 4.22.0f – 4.22.6m; 4.23.0f – 4.23.4m; 4.24.0f – 4.24.2.4f Vulnerable ·Arista
- cpe:2.3:h:arista:7280cr2ak-30:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280cr2k-60:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280cr3-32d4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280cr3-32p4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280cr3-96:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280cr3k-32d4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280cr3k-32p4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280cr3k-96:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280dr3-24:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
Show 17 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:arista:7280dr3k-24:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280pr3-24:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280pr3k-24:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280sr3-48yc8:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7280sr3k-48yc8:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7500r3-24d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7500r3-24p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7500r3-36cq:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7500r3k-36cq:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7504r3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7508r3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7512r3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7800r3-36p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7800r3-48cq:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7800r3k-48cq:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7804r3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
| cpe:2.3:h:arista:7808r3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Arista |
- cpe:2.3:h:arista:7280dr3k-24:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280pr3-24:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280pr3k-24:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280sr3-48yc8:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7280sr3k-48yc8:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7500r3-24d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7500r3-24p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7500r3-36cq:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7500r3k-36cq:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7504r3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7508r3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7512r3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7800r3-36p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7800r3-48cq:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7800r3k-48cq:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7804r3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
- cpe:2.3:h:arista:7808r3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Arista
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-24360
- 2026-10-03 Alias added: GHSA-c9g5-h8rc-q6m5
- 2026-10-07 EPSS moved to the 50th–90th percentile
References
More Arista Eos vulnerabilities
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-06569 Arista EOS Unexpected Tunnel Protocol Decapsulation and Forwarding Bypass KEVCVSS 4.0MEDIUM 6.9
- TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2020-08209 utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-24360 · CVE Program
- CVE-2020-24360 · NVD
- FIRST EPSS
- GHSA-c9g5-h8rc-q6m5 · GitHub Advisory Database · CC BY 4.0
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