CVE-2019-20933

Name: CVE-2019-20933
Creator: NVD / NIST
Published: 2020-11-19T02:15:11.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 30.92%

Last modified Jun 17, 2026

CVE-2019-20933 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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).. EPSS estimates a 30.92% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

30.92%

98.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Influxdata	Influxdb	< 1.7.6
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://github.com/influxdata/influxdb/commit/761b557315ff9c1642cf3b0e5797cd3d983a24c0Patch, Third Party Advisory
https://github.com/influxdata/influxdb/compare/v1.7.5...v1.7.6Patch, Third Party Advisory
https://github.com/influxdata/influxdb/issues/12927Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00030.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4823Third Party Advisory
https://github.com/influxdata/influxdb/commit/761b557315ff9c1642cf3b0e5797cd3d983a24c0Patch, Third Party Advisory
https://github.com/influxdata/influxdb/compare/v1.7.5...v1.7.6Patch, Third Party Advisory
https://github.com/influxdata/influxdb/issues/12927Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00030.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2021/dsa-4823Third Party Advisory

Timeline

Published: Nov 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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 token may have an empty SharedSecret (aka shared secret).

How severe is CVE-2019-20933?

CVE-2019-20933 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 30.92% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20933?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20933?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST