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Fencer Vulns
medium 6.5

CVE-2024-45808 json

Malicious log injection via access logs in envoy

published 2024-09-19 2 y ago modified 2026-09-08 2 mo ago also BIT-envoy-2024-45808 , EUVD-2024-41613 , GHSA-p222-xhp9-39rc

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

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.

Patch / fix

  • bitnami envoy 1.28.7, 1.29.9, 1.30.6, 1.31.2
  • envoyproxy envoy 1.28.7, 1.29.9, 1.30.6, 1.31.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-45808 updated cvss 6.5

envoy: Malicious log injection via access logs

  • Red Hat RHOSSM 2.6 for RHEL 8 openshift-service-mesh/pilot-rhel8 2.6.2-5, openshift-service-mesh/kiali-rhel8 1.89.4-3, openshift-service-mesh/grafana-rhel8 2.6.2-3, openshift-service-mesh/istio-cni-rhel8 2.6.2-5, openshift-service-mesh/ratelimit-rhel8 2.6.2-3, openshift-service-mesh/kiali-ossmc-rhel8 1.89.2-3, +3 more Red Hat RHOSSM 2.6 for RHEL 9 openshift-service-mesh/proxyv2-rhel9 2.6.2-7
    fixed: vendor fix RHSA-2024:7726
  • Red Hat OpenShift Service Mesh 2 openshift-service-mesh/proxyv2-rhel8
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
bitnami envoy
<1.28.7
>=1.29.0, <1.29.9
>=1.30.0, <1.30.6
>=1.31.0, <1.31.2
1.28.7
1.29.9
1.30.6
1.31.2

Affected products

  • envoyproxy envoy

Classification

Weakness
  • CWE-117 Improper Output Neutralization for Logs
  • CWE-116 Improper Encoding or Escaping of Output

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.