Skip to content
Fencer Vulns
low 2.4

CVE-2021-22133 json

Information Disclosure in go.elastic.co/apm

published 2021-02-10 5 y ago modified 2026-06-17 4 mo ago also GHSA-qqc5-rgcc-cjqh , GO-2022-0706 , EUVD-2021-1171

cvss
2.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

The Elastic APM agent for Go versions before 1.11.0 can leak sensitive HTTP header information when logging the details during an application panic. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application panic it is possible the headers will not be sanitized before being sent.

Patch / fix

  • go go.elastic.co/apm 1.11.0
  • elastic apm_agent 1.11.0

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-2021-22133 updated cvss 2.4

go.elastic.co/apm: leaks sensitive HTTP headers during panic

  • Red Hat OpenStack Platform 16.2 osp-director-provisioner-container, rhosp-rhel8-tech-preview/osp-director-operator, rhosp-rhel8-tech-preview/osp-director-downloader
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4.8 openshift4/ose-thanos-rhel8 v4.8.0-202106291913.p0.git.c358e96.assembly.stream
    fixed: vendor fix RHSA-2021:2438
  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/search-rhel8, rhacm2/thanos-rhel7, rhacm2/acm-grafana-rhel8, rhacm2/openshift-hive-rhel8, rhacm2/rcm-controller-rhel8, rhacm2/multiclusterhub-rhel8, +22 more Red Hat OpenShift Container Platform 4 openshift4/cnf-tests-rhel8, assisted-installer-container, assisted-installer-agent-container, openshift4/compliance-rhel8-operator, assisted-installer-reporter-container, openshift4/file-integrity-rhel8-operator, +2 more Red Hat OpenShift Container Platform 4.8 openshift4/ose-cli v4.8.0-202106291725.p0.git.1077b05.assembly.stream, openshift4/ose-pod v4.8.0-202107161820.p0.git.051ac4f.assembly.stream, openshift4/ose-etcd v4.8.0-202106152230.p0.git.aefa6bf.assembly.stream, openshift4/ose-tests v4.8.0-202107131424.p0.git.0d958c3.assembly.stream, openshift4/ose-console v4.8.0-202107010336.p0.git.188a490.assembly.stream, openshift4/ose-coredns v4.8.0-202106291913.p0.git.642b46e.assembly.stream, +135 more Red Hat Openshift Container Storage 4 ocs4/mcg-rhel8-operator, ocs4/ocs-rhel8-operator, ocs4/ocs-must-gather-rhel8 Red Hat OpenShift Virtualization 2 vm-import-virtv2v-container, vm-import-operator-container, node-maintenance-operator-container, kubernetes-nmstate-handler-container, hyperconverged-cluster-webhook-container, cluster-network-addons-operator-container, +2 more Red Hat OpenShift Virtualization 4 container-native-virtualization/vm-import-virtv2v-rhel8, container-native-virtualization/vm-import-operator-rhel8, container-native-virtualization/node-maintenance-operator, container-native-virtualization/vm-import-controller-rhel8, container-native-virtualization/cluster-network-addons-operator, container-native-virtualization/hyperconverged-cluster-operator, +2 more
    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

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 2.4 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 2.7 AV:A/AC:L/Au:S/C:P/I:N/A:N
GitHub 3.1 2.4 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
go go.elastic.co/apm
<1.11.0
1.11.0

Affected products

  • Elastic Elastic APM Agent for Go

Classification

Weakness
  • CWE-532 Insertion of Sensitive Information into Log File

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.