Security Advisory 0183
Published Sep 22, 2026 ·Due Sep 25, 2026
9.5
CRITICALCVSS 4.0
EPSS 1.06%
Description
VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integrity, and availability of the orchestrator and data managed by the orchestrator.
Hosted, including Dedicated, versions of VCO were impacted and have already been patched.
Affected products
-
- Version 5.2.0StatusaffectedConstraints<=5.2.3.15
- Version 6.1.0StatusaffectedConstraints<=6.1.3.7
- Version 6.4.0StatusaffectedConstraints<=6.4.2.7
- Version 7.0.0StatusaffectedConstraints<=7.0.0.2
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arista Networks | VeloCloud Orchestrator (VCO) On-Prem | unaffected |
|
- ≥ 5.2.0 · < 5.2.3.16
- ≥ 6.1.0 · ≤ 6.1.3.7
- ≥ 6.4.0 · < 6.4.2.8
- ≥ 7.0.0 · ≤ 7.0.0.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
The recommended resolution is to upgrade to a remediated VCO software version at your earliest convenience. These vulnerabilities have been fixed in the following releases: - VCO 5.2.3.16 and later in the 5.2.3 train - VCO 6.4.2.8 and later in the 6.4.2 train
Releases in other release trains that fix this will be added over time. For VCOs not on a supported release train, customers can contact TAC to discuss possible upgrade options.
Metrics
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
Date Added
Sep 22, 2026
Patch Due
Sep 25, 2026
Required Action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Sep 22, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.06% (0.01062) | 63.34th | v5 (v2026.06.15) |
| Sep 22, 2026 | 0.42% (0.00424) | 36.32th | v5 (v2026.06.15) |
References (2)
- https://www.arista.com/en/support/advisories-notices/security-advisory/24765-security-advisory-0183 vendor-advisoryMitigationVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-93952 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| https://www.arista.com/en/support/advisories-notices/security-advisory/24765-security-advisory-0183 | vendor-advisoryMitigationVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-93952 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.