Back to Database
Status published
High
CVE-2020-8663
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-8663
Credits & Attribution
No credits recorded in the NVD database.
References
More from envoyproxy
View All →CVE-2025-66220
Envoy’s TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byte
Medium
5
CVE-2025-64763
Envoy forwards early CONNECT data in TCP proxy mode
Low
3.7
CVE-2025-64527
Envoy crashes when JWT authentication is configured with the remote JWKS fetching
Medium
6.5
CVE-2025-62504
Envoy Lua filter use-after-free when oversized rewritten response body causes crash
Medium
6.5
CVE-2025-62409
Envoy allows large requests and responses to cause TCP connection pool crash
Medium
6.6
Affected Vendor
envoyproxy
View all reports →Affected Software
envoy
Vulnerable Versions:
0, 1.13.0, 1.14.0
Timeline
Official Publish:
July 1st, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.