Home/CVE/Envoy through 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy
CVE

CVE-2020-25017

Envoy through 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy

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.

HIGH · CVSS 8.3 EPSS 0.00053
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
envoyproxy envoy< 1.12.7
envoyproxy envoy>= 1.13.0 and < 1.13.4
envoyproxy envoy>= 1.14.0 and < 1.14.4
envoyproxy envoy>= 1.15.0 and < 1.15.1
⚠

Public Exploits & PoCs

1
pocgithub.com · GHSA-2v25-cjjq-5f4wgithub.com
▣

Scoring & Timeline

8.3
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Oct 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
⚑

Vendor Advisories

1
rhsaRHSA-2020:4129Moderate
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://groups.google.com/forum/#%21forum/envoy-security-announce
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