CVE-2023-3646: arista networks eos Out-of-bounds Read
CVSS: 7.5v3.1HighModified
Published 29-08-2023Last modified 30-09-2024
Vulnerability summary
CVE-2023-3646 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in arista networks eos. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 29-08-2023PublishedVulnerability first disclosed.
- 30-09-2024Last modifiedVulnerability information updated.
Description
On affected platforms running Arista EOS with mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources2 sources · 5.9–7.5
- CVE.orgCNA5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
0.00 pp
From 0.67% on 20-09-2026
20-09-202620-10-2026
EPSS score0.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (arista.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Arista1 product
- eos≥ 4.28.2f, ≤ 4.28.5.1m | ≥ 4.29.0, < 4.29.2f
Arista networks1 product
- eos≥ 4.28.2F, ≤ 4.28.5.1M | ≥ 4.29.0, ≤ 4.29.1F
2 vendors · 2 products
References
1 links- www.arista.com/en/support/advisories-notices/security-advisory/18042-security-advisory-0088ExploitMitigationVendor Advisory