CVEvulnerability
CVE-2020-25017
8.3 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-10-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Description
Envoy through 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy’s setCopy() header map API does not replace all existing occurences of a non-inline header.
Affected configurations
• envoyproxy envoy (< 1.12.7)
• envoyproxy envoy (>= 1.13.0 < 1.13.4)
• envoyproxy envoy (>= 1.14.0 < 1.14.4)
• envoyproxy envoy (>= 1.15.0 < 1.15.1)
References
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-2v25-cjjq-5f4w Exploit, Third Party Advisory
- https://groups.google.com/forum/#%21forum/envoy-security-announce groups.google.com
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-2v25-cjjq-5f4w Exploit, Third Party Advisory
- https://groups.google.com/forum/#%21forum/envoy-security-announce groups.google.com