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TI-2024-30774 Aliases CVE-2024-45808

Malicious log injection via access logs in envoy

Priority HIGH 68CWE-117Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00351 28th percentileScored 2026-11-07
Fix Fixed envoy (envoyproxy): 1.31.2, 1.30.6, 1.29.9 +1Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
envoyproxyenvoy1.31.0 to before 1.31.2; 1.30.0 to before 1.30.6; 1.29.0 to before 1.29.9; before 1.28.71.31.2, 1.30.6, 1.29.9, 1.28.7Patch availableCNA
  • envoy Vendorenvoyproxy Affected 1.31.0 to before 1.31.2; 1.30.0 to before 1.30.6; 1.29.0 to before 1.29.9; before 1.28.7 Fixed in 1.31.2, 1.30.6, 1.29.9, 1.28.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*before 1.28.7; 1.29.0 to before 1.29.9; 1.30.0 to before 1.30.6; 1.31.0 to before 1.31.2Vulnerableenvoyproxy
  • cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* Versions before 1.28.7; 1.29.0 to before 1.29.9; 1.30.0 to before 1.30.6; 1.31.0 to before 1.31.2 Vulnerable ·envoyproxy

Remediation

  • Fix · CNA envoy (envoyproxy) Fixed in 1.31.2, 1.30.6, 1.29.9, 1.28.7

Red Hat 1 advisory

  • RHSA-2024:7726 Released 2024-10-07 · Red Hat rating Important
    Red Hat OpenShift Service Mesh Containers for 2.6.2
    • RHOSSM 2.6 for RHEL 8 openshift-service-mesh/grafana-rhel8, openshift-service-mesh/istio-cni-rhel8, openshift-service-mesh/istio-must-gather-rhel8 +6
    • RHOSSM 2.6 for RHEL 9 openshift-service-mesh/proxyv2-rhel9

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
RHOSSM 2.6 for RHEL 8Fixed RHSA-2024:7726
RHOSSM 2.6 for RHEL 9Fixed RHSA-2024:7726
Not affected: 1 product
  • OpenShift Service Mesh 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-45808

References

Advisory 1

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2024-20001 HTTP/2: CPU exhaustion due to CONTINUATION frame flood CVSS 3.1HIGH 7.5
  • TI-2024-18524 HTTP/2: memory exhaustion due to CONTINUATION frame flood CVSS 3.1HIGH 7.5
  • TI-2023-12215 Envoy client may fake the header `x-envoy-original-path` CVSS 3.1CRITICAL 9.1
  • TI-2023-18002 Envoy vulnerable to OAuth2 credentials exploit with permanent validity CVSS 3.1CRITICAL 9.8
See all 126 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences