Description
InfluxDB before 1.7.6 has an authentication bypass vulnerability in the authenticate function in services/httpd/handler.go because a JWT token may have an empty SharedSecret (aka shared secret).
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | influxdb | 1.6.7~rc0-1 | — |
| Debian 13 | influxdb | 1.6.7~rc0-1 | — |
| Debian 12 | influxdb | 1.6.7~rc0-1 | — |
| Debian 10 | influxdb | 1.6.4-1+deb10u1 | DSA-4823-1 |
| Debian 9 | influxdb | 1.1.1+dfsg1-4+deb9u1 | DLA-2501-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | influxdb | 1.6.7~rc0-1 | — |
| Ubuntu 20.04 LTS | influxdb | 1.6.4-1+deb10u1build0.20.04.1 | USN-5451-1 |
| Ubuntu 18.04 LTS | influxdb | 1.1.1+dfsg1-4+deb9u1ubuntu1 | USN-5451-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE OpenStack Cloud Crowbar 9 | crowbar-core | 6.0+git.1606314264.bf9ada813-3.31.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | crowbar-openstack | 6.0+git.1604573541.bb18c172d-3.28.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | grafana | 6.7.4-3.20.1 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | influxdb | 1.3.8-4.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-cinder | 13.0.10~dev20-3.28.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-heat | 11.0.4~dev4-3.19.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-heat-gbp | 12.0.1~dev2-3.3.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-heat-templates | 0.0.0+git.1605509190.64f020b6-3.9.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-horizon-plugin-gbp-ui | 12.0.1~dev3-3.3.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-ironic-python-agent | 3.3.4~dev6-3.19.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-manila | 7.4.2~dev57-4.30.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-neutron | 13.0.8~dev135-3.31.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-neutron-gbp | 12.0.1~dev5-3.19.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-neutron-vpnaas | 13.0.2~dev6-3.9.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | openstack-nova | 18.3.1~dev77-3.31.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | python-Jinja2 | 2.10.1-3.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | python-pysaml2 | 4.5.0-4.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | python-pytest | 3.7.4-3.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | python-urllib3 | 1.23-3.15.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | release-notes-suse-openstack-cloud | 9.20200917-3.24.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud Crowbar 9 | spark | 2.2.3-5.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | ardana-cassandra | 9.0+git.1600802664.7e480a2-3.6.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | ardana-mq | 9.0+git.1605174486.a78ddce-3.19.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | ardana-osconfig | 9.0+git.1601621747.a87e5a0-3.22.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | ardana-tempest | 9.0+git.1603378983.fc0bca9-3.19.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | grafana | 6.7.4-3.20.1 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | influxdb | 1.3.8-4.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-cinder | 13.0.10~dev20-3.28.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-heat | 11.0.4~dev4-3.19.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-heat-gbp | 12.0.1~dev2-3.3.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-heat-templates | 0.0.0+git.1605509190.64f020b6-3.9.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-horizon-plugin-gbp-ui | 12.0.1~dev3-3.3.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-ironic-python-agent | 3.3.4~dev6-3.19.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-manila | 7.4.2~dev57-4.30.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-neutron | 13.0.8~dev135-3.31.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-neutron-gbp | 12.0.1~dev5-3.19.4 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-neutron-vpnaas | 13.0.2~dev6-3.9.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | openstack-nova | 18.3.1~dev77-3.31.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | python-Jinja2 | 2.10.1-3.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | python-pysaml2 | 4.5.0-4.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | python-pytest | 3.7.4-3.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | python-urllib3 | 1.23-3.15.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | release-notes-suse-openstack-cloud | 9.20200917-3.24.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | spark | 2.2.3-5.3.3 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-barbican | 7.0.1~dev24-3.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-cinder | 13.0.10~dev20-3.24.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-designate | 7.0.2~dev2-3.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-glance | 17.0.1~dev30-3.19.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-heat | 11.0.4~dev4-3.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-horizon | 14.1.1~dev7-4.23.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-ironic | 11.1.5~dev16-4.19.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-keystone | 14.2.1~dev4-3.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-magnum | 7.2.1~dev1-4.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-manila | 7.4.2~dev57-3.25.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-monasca | 2.7.1~dev10-3.19.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-monasca-ceilometer | 1.8.2~dev3-3.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-neutron | 13.0.8~dev135-6.23.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-nova | 18.3.1~dev77-3.23.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-octavia | 3.2.3~dev7-4.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-sahara | 9.0.2~dev15-3.21.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 9 | venv-openstack-swift | 2.19.2~dev48-2.16.2 | SUSE-SU-2020:3897-1 |
| SUSE OpenStack Cloud 7 | crowbar-openstack | 4.0+git.1604938545.30c10db18-9.77.1 | SUSE-SU-2020:3624-1 |
| SUSE OpenStack Cloud 7 | grafana | 6.7.4-1.20.1 | SUSE-SU-2020:3624-1 |
| SUSE OpenStack Cloud 7 | influxdb | 1.2.4-5.1 | SUSE-SU-2020:3624-1 |
| SUSE OpenStack Cloud 7 | python-urllib3 | 1.16-3.12.1 | SUSE-SU-2020:3624-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 4 repositories
-
LorenzoTullini/InfluxDB-Exploit-CVE-2019-20933 ★ 43 · Apr 28, 2021
InfluxDB CVE-2019-20933 vulnerability exploit
-
Hydragyrum/CVE-2019-20933 ★ 2 · Jul 24, 2021
-
CyberCTF/vulhub-influxdb-cve-2019-20933 ★ 0 · Oct 8, 2026
Vulhub influxdb/CVE-2019-20933: InfluxDB Empty JWT Secret Authentication Bypass (CVE-2019-20933), run with Isoloom
-
Dungsocool/CVE-2019-20933 ★ 0 · May 28, 2026
Lab 5: InfluxDB Authentication Bypass (CVE-2019-20933) - Writeup and Exploit
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- InfluxDB <1.7.6 - Authentication Bypass http/cves/2019/CVE-2019-20933.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/influxdata/influxdb | < 1.7.6 | 1.7.6 | GHSA-2rmp-fw5r-j5qv |
Advisories 5
- USN-5451-1 influxdb vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4823-1 influxdb - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2501-1 influxdb - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2020:3897-1 Security update for ardana-cassandra, ardana-mq, ardana-osconfig, ardana-tempest, crowbar-core, crowbar-openstack, grafana, influxdb, openstack-cinder, openstack-heat, openstack-heat-gbp, openstack-heat-templates, openstack-horizon-plugin-gbp-ui, openstack-ironic-python-agent, openstack-manila, openstack-neutron, openstack-neutron-gbp, openstack-neutron-vpnaas, openstack-nova, python-Jinja2, python-pysaml2, python-pytest, python-urllib3, release-notes-suse-openstack-cloud, spark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3624-1 Security update for crowbar-openstack, grafana, influxdb, python-urllib3 SUSE / openSUSE Security Updates · May 2, 2025
References
- https://github.com/influxdata/influxdb/issues/12927
- https://github.com/influxdata/influxdb/compare/v1.7.5...v1.7.6
- https://github.com/influxdata/influxdb/commit/761b557315ff9c1642cf3b0e5797cd3d983a24c0
- [debian-lts-announce] 20201220 [SECURITY] [DLA 2501-1] influxdb security update mailing-list
- DSA-4823 vendor-advisory