Description
Envoy is a cloud-native high-performance edge/middle/service proxy. A vulnerability has been identified in Envoy that allows malicious attackers to inject unexpected content into access logs. This is achieved by exploiting the lack of validation for the `REQUESTED_SERVER_NAME` field for access loggers. This issue has been addressed in versions 1.31.2, 1.30.6, 1.29.9, and 1.28.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://github.com/envoyproxy/envoy/security/advisories/GHSA-p222-xhp9-39rc
Scores
CVSS v3
6.5
EPSS
0.0036
EPSS Percentile
27.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-116
CWE-117
Status
published
Products (1)
envoyproxy/envoy
< 1.28.7
Published
Sep 20, 2024
Tracked Since
Feb 18, 2026