CVE-2019-20933 — InfluxDB before 1

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).

01What is this vulnerability?

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).

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-11-19T01:50:50.000Z
• Last modified: 2024-08-05T03:00:18.714Z

09References

• github.com — https://github.com/influxdata/influxdb/issues/12927
• github.com — https://github.com/influxdata/influxdb/compare/v1.7.5...v1.7.6
• github.com — https://github.com/influxdata/influxdb/commit/761b557315ff9c1642cf3b0e5797cd3d98…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/12/msg00030.html
• www.debian.org — https://www.debian.org/security/2021/dsa-4823