CNCF Envoy through 1.13.0 may consume excessive amounts of memory when responding internally to pipelined requests.
Priority LOW 37CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-400.
Summary
CNCF Envoy through 1.13.0 may consume excessive amounts of memory when responding internally to pipelined requests.
Why it matters now
EPSS 0.01869 79th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* | up to 1.13.0 | Vulnerable | envoyproxy |
| cpe:2.3:a:redhat:openshift_service_mesh:1.0.9:*:*:*:*:*:*:* | 1.0.9 | Vulnerable | Red Hat |
- cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* Versions up to 1.13.0 Vulnerable ·envoyproxy
- cpe:2.3:a:redhat:openshift_service_mesh:1.0.9:*:*:*:*:*:*:* Versions 1.0.9 Vulnerable ·Red Hat
Remediation
Red Hat 1 advisory
- RHSA-2020:0734 Released 2020-03-05 · Red Hat rating ModerateRed Hat OpenShift Service Mesh 1.0.9 servicemesh-proxy security update
- OpenShift Service Mesh 1.0 servicemesh-proxy-1.0.9-2.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 1.0 | Fixed | RHSA-2020:0734 |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8661
References
Sources
- CVE-2020-8661 · CVE Program
- CVE-2020-8661 · NVD
- FIRST EPSS
- CVE-2020-8661 · Red Hat security data · CC BY 4.0
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