CVE-2023-24512: On affected platforms running Arista EOS, an authorized attacker with permissions to perform gNMI requests cou

Q: How do I fix CVE-2023-24512?

eos: upgrade to 4.26.10m, 4.27.9m, 4.28.6m, 4.29.2f; ceos-lab: mitigate or apply the listed mitigation; cloudeos: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2023-24512 being exploited?

CVE-2023-24512 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-24512 affect?

CVE-2023-24512 affects eos, ceos-lab, cloudeos. Severity is high (CVSS 8.8). On affected platforms running Arista EOS, an authorized attacker with permissions to perform gNMI requests could craft a request allowing it to update arbitrary configurations in the switch. This situation occurs only when the Streaming Tel

Q: How urgent is CVE-2023-24512?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADEMITIGATEMITIGATE

CVE-2023-24512 is a high-severity flaw (CVSS 8.8) affecting eos, ceos-lab, cloudeos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

On affected platforms running Arista EOS, an authorized attacker with permissions to perform gNMI requests could craft a request allowing it to update arbitrary configurations in the switch. This situation occurs only when the Streaming Telemetry Agent (referred to as the TerminAttr agent) is enabled and gNMI access is configured on the agent. Note: This gNMI over the Streaming Telemetry Agent scenario is mostly commonly used when streaming to a

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-284, CWE-863
Published	2023-04-25
Last modified	2026-06-17

Publisher (CNA): Arista Networks, Inc. · Vendor: arista

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-25 21:15 UTCPublished CVE record published
2026-06-17 05:39 UTCUpdated Record last modified

arista eos UPGRADE

Affected: >= 4.26.0 and < 4.26.10m · >= 4.27.0 and < 4.27.9m · >= 4.28.0 and < 4.28.6m · >= 4.29.0 and < 4.29.2f

Fixed in: 4.26.10m, 4.27.9m, 4.28.6m, 4.29.2f

Safe to downgrade to: a release before 4.26.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

arista ceos-lab MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ceos-lab || rpm -q ceos-lab || ceos-lab --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

arista cloudeos MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cloudeos || rpm -q cloudeos || cloudeos --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

arista veos-lab MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy veos-lab || rpm -q veos-lab || veos-lab --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-24512?

eos: upgrade to 4.26.10m, 4.27.9m, 4.28.6m, 4.29.2f; ceos-lab: mitigate or apply the listed mitigation; cloudeos: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-24512 being exploited?

CVE-2023-24512 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-24512 affect?

CVE-2023-24512 affects eos, ceos-lab, cloudeos. Severity is high (CVSS 8.8). On affected platforms running Arista EOS, an authorized attacker with permissions to perform gNMI requests could craft a request allowing it to update arbitrary configurations in the switch. This situation occurs only when the Streaming Tel

How urgent is CVE-2023-24512?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2026-7473 MEDIUM 5.8 EXPLOITED MITIGATE Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability
CVE-2024-6387 HIGH 8.1 MITIGATE MITIGATE A security regression (CVE-2006-5051) was discovered in OpenSSH's server (sshd)
CVE-2023-24511 MEDIUM 5.3 UPGRADE On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory l
CVE-2023-24510 HIGH 7.5 UPGRADE On the affected platforms running EOS, a malformed DHCP packet might cause the DHCP relay agent to restart.
CVE-2023-24509 CRITICAL 9.3 UPGRADE On affected modular platforms running Arista EOS equipped with both redundant supervisor modules and having th

References

← Back to latest CVEs