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CVE-2019-14810

18
FAUCET Score

CVE-2019-14810 describes a race condition vulnerability in the Label Distribution Protocol (LDP) implementation within Arista EOS, affecting various Arista 7000 series switches and EOS versions. This flaw allows a malicious peer to establish an LDP session, potentially leading to a Denial of Service (DoS) attack on route updates and an Out of Memory (OOM) condition, disrupting traffic forwarding. Rated Medium severity (CVSS 5.9), exploitation requires high attack complexity but no user interaction or privileges. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.19, <= 4.19.12mCPE matchmatch criteria
cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:*
>= 4.20, <= 4.20.14mCPE matchmatch criteria
cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:*
>= 4.21.0f, <= 4.21.2.3fCPE matchmatch criteria
cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:*
>= 4.21.3f, <= 4.21.7CPE matchmatch criteria
cpe:2.3:o:arista:extensible_operating_system:*:*:*:*:*:*:*:*
4.17CPE matchmatch criteria
cpe:2.3:o:arista:extensible_operating_system:4.17:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.67%
Probability of exploitation in next 30 days
EPSS Percentile
48.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0067 is in the 9th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

arista.com / en/support/advisories-notices
Vendor Advisory
arista.com / en/support/advisories-notices/security-advisories/8321-security-advisory-42
Vendor Advisory