CVE-2020-8663
envoy: Resource exhaustion when accepting too many connections
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections.
Envoy versión 1.14.2, 1.13.2, 1.12.4 o anteriores, puede agotar los descriptores de archivo y/o memoria al aceptar demasiadas conexiones
A flaw was found in envoy in versions through 1.14.1. Accepting too many connections may lead to an exhaustion of file descriptors and/or memory. The highest threat from this vulnerability is to system availability.
Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation. Issues addressed include a resource exhaustion vulnerability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-02-06 CVE Reserved
- 2020-07-01 CVE Published
- 2024-08-04 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://github.com/envoyproxy/envoy/security/advisories/GHSA-v8q7-fq78-4997 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history | 2020-07-08 | |
| https://access.redhat.com/security/cve/CVE-2020-8663 | 2020-07-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1844254 | 2020-07-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Envoyproxy Search vendor "Envoyproxy" | Envoy Search vendor "Envoyproxy" for product "Envoy" | <= 1.12.4 Search vendor "Envoyproxy" for product "Envoy" and version " <= 1.12.4" | - |
Affected
| ||||||
| Envoyproxy Search vendor "Envoyproxy" | Envoy Search vendor "Envoyproxy" for product "Envoy" | >= 1.13.0 <= 1.13.2 Search vendor "Envoyproxy" for product "Envoy" and version " >= 1.13.0 <= 1.13.2" | - |
Affected
| ||||||
| Envoyproxy Search vendor "Envoyproxy" | Envoy Search vendor "Envoyproxy" for product "Envoy" | >= 1.14.0 <= 1.14.2 Search vendor "Envoyproxy" for product "Envoy" and version " >= 1.14.0 <= 1.14.2" | - |
Affected
| ||||||